//!
//! use bitcoin::network::constants::Network;
//! use bitcoin::secp256k1::{KeyPair, PublicKey, Secp256k1, SecretKey};
-//! use core::convert::Infallible;
//! use lightning::ln::features::OfferFeatures;
+//! use lightning::offers::invoice_request::UnsignedInvoiceRequest;
//! use lightning::offers::offer::Offer;
//! use lightning::util::ser::Writeable;
//!
//! .quantity(5)?
//! .payer_note("foo".to_string())
//! .build()?
-//! .sign::<_, Infallible>(
-//! |message| Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
+//! .sign(|message: &UnsignedInvoiceRequest|
+//! Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
//! )
//! .expect("failed verifying signature")
//! .write(&mut buffer)
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::{KeyPair, PublicKey, Secp256k1, self};
use bitcoin::secp256k1::schnorr::Signature;
-use core::convert::{AsRef, Infallible, TryFrom};
use core::ops::Deref;
use crate::sign::EntropySource;
use crate::io;
use crate::ln::features::InvoiceRequestFeatures;
use crate::ln::inbound_payment::{ExpandedKey, IV_LEN, Nonce};
use crate::ln::msgs::DecodeError;
-use crate::offers::invoice::{BlindedPayInfo, DerivedSigningPubkey, ExplicitSigningPubkey, InvoiceBuilder};
-use crate::offers::merkle::{SignError, SignatureTlvStream, SignatureTlvStreamRef, TaggedHash, self};
+use crate::offers::invoice::BlindedPayInfo;
+use crate::offers::merkle::{SignError, SignFn, SignatureTlvStream, SignatureTlvStreamRef, TaggedHash, self};
use crate::offers::offer::{Offer, OfferContents, OfferTlvStream, OfferTlvStreamRef};
use crate::offers::parse::{Bolt12ParseError, ParsedMessage, Bolt12SemanticError};
use crate::offers::payer::{PayerContents, PayerTlvStream, PayerTlvStreamRef};
use crate::util::ser::{HighZeroBytesDroppedBigSize, SeekReadable, WithoutLength, Writeable, Writer};
use crate::util::string::PrintableString;
+#[cfg(not(c_bindings))]
+use {
+ crate::offers::invoice::{DerivedSigningPubkey, ExplicitSigningPubkey, InvoiceBuilder},
+};
+#[cfg(c_bindings)]
+use {
+ crate::offers::invoice::{InvoiceWithDerivedSigningPubkeyBuilder, InvoiceWithExplicitSigningPubkeyBuilder},
+};
+
+#[allow(unused_imports)]
use crate::prelude::*;
/// Tag for the hash function used when signing an [`InvoiceRequest`]'s merkle root.
let secp_ctx = secp_ctx.unwrap();
let keys = keys.unwrap();
let invoice_request = unsigned_invoice_request
- .sign::<_, Infallible>(
- |message| Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
+ .sign(|message: &UnsignedInvoiceRequest|
+ Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
)
.unwrap();
Ok(invoice_request)
tagged_hash: TaggedHash,
}
+/// A function for signing an [`UnsignedInvoiceRequest`].
+pub trait SignInvoiceRequestFn {
+ /// Signs a [`TaggedHash`] computed over the merkle root of `message`'s TLV stream.
+ fn sign_invoice_request(&self, message: &UnsignedInvoiceRequest) -> Result<Signature, ()>;
+}
+
+impl<F> SignInvoiceRequestFn for F
+where
+ F: Fn(&UnsignedInvoiceRequest) -> Result<Signature, ()>,
+{
+ fn sign_invoice_request(&self, message: &UnsignedInvoiceRequest) -> Result<Signature, ()> {
+ self(message)
+ }
+}
+
+impl<F> SignFn<UnsignedInvoiceRequest> for F
+where
+ F: SignInvoiceRequestFn,
+{
+ fn sign(&self, message: &UnsignedInvoiceRequest) -> Result<Signature, ()> {
+ self.sign_invoice_request(message)
+ }
+}
+
impl UnsignedInvoiceRequest {
fn new(offer: &Offer, contents: InvoiceRequestContents) -> Self {
// Use the offer bytes instead of the offer TLV stream as the offer may have contained
/// Signs the [`TaggedHash`] of the invoice request using the given function.
///
/// Note: The hash computation may have included unknown, odd TLV records.
- ///
- /// This is not exported to bindings users as functions are not yet mapped.
- pub fn sign<F, E>($($self_mut)* $self: $self_type, sign: F) -> Result<InvoiceRequest, SignError<E>>
- where
- F: FnOnce(&Self) -> Result<Signature, E>
- {
+ pub fn sign<F: SignInvoiceRequestFn>(
+ $($self_mut)* $self: $self_type, sign: F
+ ) -> Result<InvoiceRequest, SignError> {
let pubkey = $self.contents.payer_id;
let signature = merkle::sign_message(sign, &$self, pubkey)?;
invoice_request_accessors!(self, self.contents);
}
-impl InvoiceRequest {
- offer_accessors!(self, self.contents.inner.offer);
- invoice_request_accessors!(self, self.contents);
-
- /// Signature of the invoice request using [`payer_id`].
- ///
- /// [`payer_id`]: Self::payer_id
- pub fn signature(&self) -> Signature {
- self.signature
- }
-
+macro_rules! invoice_request_respond_with_explicit_signing_pubkey_methods { (
+ $self: ident, $contents: expr, $builder: ty
+) => {
/// Creates an [`InvoiceBuilder`] for the request with the given required fields and using the
/// [`Duration`] since [`std::time::SystemTime::UNIX_EPOCH`] as the creation time.
///
/// See [`InvoiceRequest::respond_with_no_std`] for further details where the aforementioned
/// creation time is used for the `created_at` parameter.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`Duration`]: core::time::Duration
#[cfg(feature = "std")]
pub fn respond_with(
- &self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash
- ) -> Result<InvoiceBuilder<ExplicitSigningPubkey>, Bolt12SemanticError> {
+ &$self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash
+ ) -> Result<$builder, Bolt12SemanticError> {
let created_at = std::time::SystemTime::now()
.duration_since(std::time::SystemTime::UNIX_EPOCH)
.expect("SystemTime::now() should come after SystemTime::UNIX_EPOCH");
- self.respond_with_no_std(payment_paths, payment_hash, created_at)
+ $contents.respond_with_no_std(payment_paths, payment_hash, created_at)
}
/// Creates an [`InvoiceBuilder`] for the request with the given required fields.
/// If the originating [`Offer`] was created using [`OfferBuilder::deriving_signing_pubkey`],
/// then use [`InvoiceRequest::verify`] and [`VerifiedInvoiceRequest`] methods instead.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`Bolt12Invoice::created_at`]: crate::offers::invoice::Bolt12Invoice::created_at
/// [`OfferBuilder::deriving_signing_pubkey`]: crate::offers::offer::OfferBuilder::deriving_signing_pubkey
pub fn respond_with_no_std(
- &self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash,
+ &$self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash,
created_at: core::time::Duration
- ) -> Result<InvoiceBuilder<ExplicitSigningPubkey>, Bolt12SemanticError> {
- if self.invoice_request_features().requires_unknown_bits() {
+ ) -> Result<$builder, Bolt12SemanticError> {
+ if $contents.invoice_request_features().requires_unknown_bits() {
return Err(Bolt12SemanticError::UnknownRequiredFeatures);
}
- InvoiceBuilder::for_offer(self, payment_paths, created_at, payment_hash)
+ <$builder>::for_offer(&$contents, payment_paths, created_at, payment_hash)
}
+} }
+macro_rules! invoice_request_verify_method { ($self: ident, $self_type: ty) => {
/// Verifies that the request was for an offer created using the given key. Returns the verified
/// request which contains the derived keys needed to sign a [`Bolt12Invoice`] for the request
/// if they could be extracted from the metadata.
///
/// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
- pub fn verify<T: secp256k1::Signing>(
- self, key: &ExpandedKey, secp_ctx: &Secp256k1<T>
+ pub fn verify<
+ #[cfg(not(c_bindings))]
+ T: secp256k1::Signing
+ >(
+ $self: $self_type, key: &ExpandedKey,
+ #[cfg(not(c_bindings))]
+ secp_ctx: &Secp256k1<T>,
+ #[cfg(c_bindings)]
+ secp_ctx: &Secp256k1<secp256k1::All>,
) -> Result<VerifiedInvoiceRequest, ()> {
- let keys = self.contents.inner.offer.verify(&self.bytes, key, secp_ctx)?;
+ let keys = $self.contents.inner.offer.verify(&$self.bytes, key, secp_ctx)?;
Ok(VerifiedInvoiceRequest {
- inner: self,
+ #[cfg(not(c_bindings))]
+ inner: $self,
+ #[cfg(c_bindings)]
+ inner: $self.clone(),
keys,
})
}
+} }
+
+#[cfg(not(c_bindings))]
+impl InvoiceRequest {
+ offer_accessors!(self, self.contents.inner.offer);
+ invoice_request_accessors!(self, self.contents);
+ invoice_request_respond_with_explicit_signing_pubkey_methods!(self, self, InvoiceBuilder<ExplicitSigningPubkey>);
+ invoice_request_verify_method!(self, Self);
+}
+
+#[cfg(c_bindings)]
+impl InvoiceRequest {
+ offer_accessors!(self, self.contents.inner.offer);
+ invoice_request_accessors!(self, self.contents);
+ invoice_request_respond_with_explicit_signing_pubkey_methods!(self, self, InvoiceWithExplicitSigningPubkeyBuilder);
+ invoice_request_verify_method!(self, &Self);
+}
+
+impl InvoiceRequest {
+ /// Signature of the invoice request using [`payer_id`].
+ ///
+ /// [`payer_id`]: Self::payer_id
+ pub fn signature(&self) -> Signature {
+ self.signature
+ }
+
pub(crate) fn as_tlv_stream(&self) -> FullInvoiceRequestTlvStreamRef {
let (payer_tlv_stream, offer_tlv_stream, invoice_request_tlv_stream) =
self.contents.as_tlv_stream();
}
}
-impl VerifiedInvoiceRequest {
- offer_accessors!(self, self.inner.contents.inner.offer);
- invoice_request_accessors!(self, self.inner.contents);
-
- /// Creates an [`InvoiceBuilder`] for the request with the given required fields and using the
- /// [`Duration`] since [`std::time::SystemTime::UNIX_EPOCH`] as the creation time.
- ///
- /// See [`InvoiceRequest::respond_with_no_std`] for further details.
- ///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
- /// [`Duration`]: core::time::Duration
- #[cfg(feature = "std")]
- pub fn respond_with(
- &self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash
- ) -> Result<InvoiceBuilder<ExplicitSigningPubkey>, Bolt12SemanticError> {
- self.inner.respond_with(payment_paths, payment_hash)
- }
-
- /// Creates an [`InvoiceBuilder`] for the request with the given required fields.
- ///
- /// See [`InvoiceRequest::respond_with_no_std`] for further details.
- ///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- pub fn respond_with_no_std(
- &self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash,
- created_at: core::time::Duration
- ) -> Result<InvoiceBuilder<ExplicitSigningPubkey>, Bolt12SemanticError> {
- self.inner.respond_with_no_std(payment_paths, payment_hash, created_at)
- }
-
+macro_rules! invoice_request_respond_with_derived_signing_pubkey_methods { (
+ $self: ident, $contents: expr, $builder: ty
+) => {
/// Creates an [`InvoiceBuilder`] for the request using the given required fields and that uses
/// derived signing keys from the originating [`Offer`] to sign the [`Bolt12Invoice`]. Must use
/// the same [`ExpandedKey`] as the one used to create the offer.
///
/// See [`InvoiceRequest::respond_with`] for further details.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
#[cfg(feature = "std")]
pub fn respond_using_derived_keys(
- &self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash
- ) -> Result<InvoiceBuilder<DerivedSigningPubkey>, Bolt12SemanticError> {
+ &$self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash
+ ) -> Result<$builder, Bolt12SemanticError> {
let created_at = std::time::SystemTime::now()
.duration_since(std::time::SystemTime::UNIX_EPOCH)
.expect("SystemTime::now() should come after SystemTime::UNIX_EPOCH");
- self.respond_using_derived_keys_no_std(payment_paths, payment_hash, created_at)
+ $self.respond_using_derived_keys_no_std(payment_paths, payment_hash, created_at)
}
/// Creates an [`InvoiceBuilder`] for the request using the given required fields and that uses
///
/// See [`InvoiceRequest::respond_with_no_std`] for further details.
///
- /// This is not exported to bindings users as builder patterns don't map outside of move semantics.
- ///
/// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
pub fn respond_using_derived_keys_no_std(
- &self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash,
+ &$self, payment_paths: Vec<(BlindedPayInfo, BlindedPath)>, payment_hash: PaymentHash,
created_at: core::time::Duration
- ) -> Result<InvoiceBuilder<DerivedSigningPubkey>, Bolt12SemanticError> {
- if self.inner.invoice_request_features().requires_unknown_bits() {
+ ) -> Result<$builder, Bolt12SemanticError> {
+ if $self.inner.invoice_request_features().requires_unknown_bits() {
return Err(Bolt12SemanticError::UnknownRequiredFeatures);
}
- let keys = match self.keys {
+ let keys = match $self.keys {
None => return Err(Bolt12SemanticError::InvalidMetadata),
Some(keys) => keys,
};
- InvoiceBuilder::for_offer_using_keys(
- &self.inner, payment_paths, created_at, payment_hash, keys
+ <$builder>::for_offer_using_keys(
+ &$self.inner, payment_paths, created_at, payment_hash, keys
)
}
+} }
+
+impl VerifiedInvoiceRequest {
+ offer_accessors!(self, self.inner.contents.inner.offer);
+ invoice_request_accessors!(self, self.inner.contents);
+ #[cfg(not(c_bindings))]
+ invoice_request_respond_with_explicit_signing_pubkey_methods!(self, self.inner, InvoiceBuilder<ExplicitSigningPubkey>);
+ #[cfg(c_bindings)]
+ invoice_request_respond_with_explicit_signing_pubkey_methods!(self, self.inner, InvoiceWithExplicitSigningPubkeyBuilder);
+ #[cfg(not(c_bindings))]
+ invoice_request_respond_with_derived_signing_pubkey_methods!(self, self.inner, InvoiceBuilder<DerivedSigningPubkey>);
+ #[cfg(c_bindings)]
+ invoice_request_respond_with_derived_signing_pubkey_methods!(self, self.inner, InvoiceWithDerivedSigningPubkeyBuilder);
}
impl InvoiceRequestContents {
use bitcoin::blockdata::constants::ChainHash;
use bitcoin::network::constants::Network;
use bitcoin::secp256k1::{KeyPair, Secp256k1, SecretKey, self};
- use core::convert::{Infallible, TryFrom};
use core::num::NonZeroU64;
#[cfg(feature = "std")]
use core::time::Duration;
.build().unwrap()
.request_invoice(vec![1; 32], payer_pubkey()).unwrap()
.build().unwrap()
- .sign(|_| Err(()))
+ .sign(fail_sign)
{
Ok(_) => panic!("expected error"),
- Err(e) => assert_eq!(e, SignError::Signing(())),
+ Err(e) => assert_eq!(e, SignError::Signing),
}
match OfferBuilder::new("foo".into(), recipient_pubkey())
.build().unwrap()
.request_invoice(vec![1; 32], keys.public_key()).unwrap()
.build().unwrap()
- .sign::<_, Infallible>(
- |message| Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
+ .sign(|message: &UnsignedInvoiceRequest|
+ Ok(secp_ctx.sign_schnorr_no_aux_rand(message.as_ref().as_digest(), &keys))
)
.unwrap();
projects / rust-lightning / blobdiff