Add PaymentPurpose::is_keysend utility method
[rust-lightning] / lightning / src / ln / channelmanager.rs
index 5487ae8ab84ce4c3bcdaee9226c43a821169c4bc..0693f3c642ea735048d4c119d01754769c89514e 100644 (file)
@@ -32,7 +32,7 @@ use bitcoin::secp256k1::Secp256k1;
 use bitcoin::{secp256k1, Sequence};
 
 use crate::blinded_path::{BlindedPath, NodeIdLookUp};
-use crate::blinded_path::payment::{Bolt12OfferContext, PaymentConstraints, PaymentContext, ReceiveTlvs};
+use crate::blinded_path::payment::{Bolt12OfferContext, Bolt12RefundContext, PaymentConstraints, PaymentContext, ReceiveTlvs};
 use crate::chain;
 use crate::chain::{Confirm, ChannelMonitorUpdateStatus, Watch, BestBlock};
 use crate::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator, LowerBoundedFeeEstimator};
@@ -1464,12 +1464,12 @@ where
 /// // On the event processing thread
 /// channel_manager.process_pending_events(&|event| match event {
 ///     Event::PaymentClaimable { payment_hash, purpose, .. } => match purpose {
-///         PaymentPurpose::InvoicePayment { payment_preimage: Some(payment_preimage), .. } => {
+///         PaymentPurpose::Bolt11InvoicePayment { payment_preimage: Some(payment_preimage), .. } => {
 ///             assert_eq!(payment_hash, known_payment_hash);
 ///             println!("Claiming payment {}", payment_hash);
 ///             channel_manager.claim_funds(payment_preimage);
 ///         },
-///         PaymentPurpose::InvoicePayment { payment_preimage: None, .. } => {
+///         PaymentPurpose::Bolt11InvoicePayment { payment_preimage: None, .. } => {
 ///             println!("Unknown payment hash: {}", payment_hash);
 ///         },
 ///         PaymentPurpose::SpontaneousPayment(payment_preimage) => {
@@ -1564,11 +1564,11 @@ where
 /// // On the event processing thread
 /// channel_manager.process_pending_events(&|event| match event {
 ///     Event::PaymentClaimable { payment_hash, purpose, .. } => match purpose {
-///         PaymentPurpose::InvoicePayment { payment_preimage: Some(payment_preimage), .. } => {
+///         PaymentPurpose::Bolt11InvoicePayment { payment_preimage: Some(payment_preimage), .. } => {
 ///             println!("Claiming payment {}", payment_hash);
 ///             channel_manager.claim_funds(payment_preimage);
 ///         },
-///         PaymentPurpose::InvoicePayment { payment_preimage: None, .. } => {
+///         PaymentPurpose::Bolt11InvoicePayment { payment_preimage: None, .. } => {
 ///             println!("Unknown payment hash: {}", payment_hash);
 ///         },
 ///         // ...
@@ -1716,12 +1716,12 @@ where
 /// // On the event processing thread
 /// channel_manager.process_pending_events(&|event| match event {
 ///     Event::PaymentClaimable { payment_hash, purpose, .. } => match purpose {
-///            PaymentPurpose::InvoicePayment { payment_preimage: Some(payment_preimage), .. } => {
+///            PaymentPurpose::Bolt11InvoicePayment { payment_preimage: Some(payment_preimage), .. } => {
 ///             assert_eq!(payment_hash, known_payment_hash);
 ///             println!("Claiming payment {}", payment_hash);
 ///             channel_manager.claim_funds(payment_preimage);
 ///         },
-///            PaymentPurpose::InvoicePayment { payment_preimage: None, .. } => {
+///            PaymentPurpose::Bolt11InvoicePayment { payment_preimage: None, .. } => {
 ///             println!("Unknown payment hash: {}", payment_hash);
 ///            },
 ///         // ...
@@ -5431,10 +5431,7 @@ where
                                                                macro_rules! check_total_value {
                                                                        ($purpose: expr) => {{
                                                                                let mut payment_claimable_generated = false;
-                                                                               let is_keysend = match $purpose {
-                                                                                       events::PaymentPurpose::SpontaneousPayment(_) => true,
-                                                                                       events::PaymentPurpose::InvoicePayment { .. } => false,
-                                                                               };
+                                                                               let is_keysend = $purpose.is_keysend();
                                                                                let mut claimable_payments = self.claimable_payments.lock().unwrap();
                                                                                if claimable_payments.pending_claiming_payments.contains_key(&payment_hash) {
                                                                                        fail_htlc!(claimable_htlc, payment_hash);
@@ -5548,7 +5545,7 @@ where
                                                                                                                fail_htlc!(claimable_htlc, payment_hash);
                                                                                                        }
                                                                                                }
-                                                                                               let purpose = events::PaymentPurpose::InvoicePayment {
+                                                                                               let purpose = events::PaymentPurpose::Bolt11InvoicePayment {
                                                                                                        payment_preimage: payment_preimage.clone(),
                                                                                                        payment_secret: payment_data.payment_secret,
                                                                                                };
@@ -5574,7 +5571,7 @@ where
                                                                                                &payment_hash, payment_data.total_msat, inbound_payment.get().min_value_msat.unwrap());
                                                                                        fail_htlc!(claimable_htlc, payment_hash);
                                                                                } else {
-                                                                                       let purpose = events::PaymentPurpose::InvoicePayment {
+                                                                                       let purpose = events::PaymentPurpose::Bolt11InvoicePayment {
                                                                                                payment_preimage: inbound_payment.get().payment_preimage,
                                                                                                payment_secret: payment_data.payment_secret,
                                                                                        };
@@ -8826,7 +8823,7 @@ where
 
                match self.create_inbound_payment(Some(amount_msats), relative_expiry, None) {
                        Ok((payment_hash, payment_secret)) => {
-                               let payment_context = PaymentContext::unknown();
+                               let payment_context = PaymentContext::Bolt12Refund(Bolt12RefundContext {});
                                let payment_paths = self.create_blinded_payment_paths(
                                        amount_msats, payment_secret, payment_context
                                )
@@ -8881,9 +8878,9 @@ where
        /// [`PaymentHash`] and [`PaymentPreimage`] for you.
        ///
        /// The [`PaymentPreimage`] will ultimately be returned to you in the [`PaymentClaimable`], which
-       /// will have the [`PaymentClaimable::purpose`] be [`PaymentPurpose::InvoicePayment`] with
-       /// its [`PaymentPurpose::InvoicePayment::payment_preimage`] field filled in. That should then be
-       /// passed directly to [`claim_funds`].
+       /// will have the [`PaymentClaimable::purpose`] be [`PaymentPurpose::Bolt11InvoicePayment`] with
+       /// its [`PaymentPurpose::Bolt11InvoicePayment::payment_preimage`] field filled in. That should
+       /// then be passed directly to [`claim_funds`].
        ///
        /// See [`create_inbound_payment_for_hash`] for detailed documentation on behavior and requirements.
        ///
@@ -8903,8 +8900,8 @@ where
        /// [`claim_funds`]: Self::claim_funds
        /// [`PaymentClaimable`]: events::Event::PaymentClaimable
        /// [`PaymentClaimable::purpose`]: events::Event::PaymentClaimable::purpose
-       /// [`PaymentPurpose::InvoicePayment`]: events::PaymentPurpose::InvoicePayment
-       /// [`PaymentPurpose::InvoicePayment::payment_preimage`]: events::PaymentPurpose::InvoicePayment::payment_preimage
+       /// [`PaymentPurpose::Bolt11InvoicePayment`]: events::PaymentPurpose::Bolt11InvoicePayment
+       /// [`PaymentPurpose::Bolt11InvoicePayment::payment_preimage`]: events::PaymentPurpose::Bolt11InvoicePayment::payment_preimage
        /// [`create_inbound_payment_for_hash`]: Self::create_inbound_payment_for_hash
        pub fn create_inbound_payment(&self, min_value_msat: Option<u64>, invoice_expiry_delta_secs: u32,
                min_final_cltv_expiry_delta: Option<u16>) -> Result<(PaymentHash, PaymentSecret), ()> {
@@ -12103,7 +12100,7 @@ where
                                let purpose = match &htlcs[0].onion_payload {
                                        OnionPayload::Invoice { _legacy_hop_data, payment_context: _ } => {
                                                if let Some(hop_data) = _legacy_hop_data {
-                                                       events::PaymentPurpose::InvoicePayment {
+                                                       events::PaymentPurpose::Bolt11InvoicePayment {
                                                                payment_preimage: match pending_inbound_payments.get(&payment_hash) {
                                                                        Some(inbound_payment) => inbound_payment.payment_preimage,
                                                                        None => match inbound_payment::verify(payment_hash, &hop_data, 0, &expanded_inbound_key, &args.logger) {