Remove InvoiceRequestFields::amount_msats

Event::PaymentClaimable and Event::PaymentClaimed already contain the
paid amount, so there's no need to included the requested amount in
InvoiceRequestFields.

diff --git a/lightning/src/ln/offers_tests.rs b/lightning/src/ln/offers_tests.rs
index 75a2e290f39e824514fdaa3b6333eb20b319663e..5a6285373846f1e3cf92a306b71cb67a4ebdb3b0 100644 (file)
--- a/lightning/src/ln/offers_tests.rs
+++ b/lightning/src/ln/offers_tests.rs
@@ -412,7 +412,6 @@ fn creates_and_pays_for_offer_using_two_hop_blinded_path() {
                offer_id: offer.id(),
                invoice_request: InvoiceRequestFields {
                        payer_id: invoice_request.payer_id(),
-                       amount_msats: None,
                        features: InvoiceRequestFeatures::empty(),
                        quantity: None,
                        payer_note_truncated: None,
@@ -565,7 +564,6 @@ fn creates_and_pays_for_offer_using_one_hop_blinded_path() {
                offer_id: offer.id(),
                invoice_request: InvoiceRequestFields {
                        payer_id: invoice_request.payer_id(),
-                       amount_msats: None,
                        features: InvoiceRequestFeatures::empty(),
                        quantity: None,
                        payer_note_truncated: None,
@@ -687,7 +685,6 @@ fn pays_for_offer_without_blinded_paths() {
                offer_id: offer.id(),
                invoice_request: InvoiceRequestFields {
                        payer_id: invoice_request.payer_id(),
-                       amount_msats: None,
                        features: InvoiceRequestFeatures::empty(),
                        quantity: None,
                        payer_note_truncated: None,

diff --git a/lightning/src/offers/invoice_request.rs b/lightning/src/offers/invoice_request.rs
index 9157613fcd977a132e9f7b5751f196af0592269a..e1256b71ac10f36a4536a61a40ac8f86a8d94182 100644 (file)
--- a/lightning/src/offers/invoice_request.rs
+++ b/lightning/src/offers/invoice_request.rs
@@ -877,13 +877,12 @@ impl VerifiedInvoiceRequest {
                let InvoiceRequestContents {
                        payer_id,
                        inner: InvoiceRequestContentsWithoutPayerId {
-                               payer: _, offer: _, chain: _, amount_msats, features, quantity, payer_note
+                               payer: _, offer: _, chain: _, amount_msats: _, features, quantity, payer_note
                        },
                } = &self.inner.contents;
 
                InvoiceRequestFields {
                        payer_id: *payer_id,
-                       amount_msats: *amount_msats,
                        features: features.clone(),
                        quantity: *quantity,
                        payer_note_truncated: payer_note.clone()
@@ -1126,12 +1125,6 @@ pub struct InvoiceRequestFields {
        /// A possibly transient pubkey used to sign the invoice request.
        pub payer_id: PublicKey,
 
-       /// The amount to pay in msats (i.e., the minimum lightning-payable unit for [`chain`]), which
-       /// must be greater than or equal to [`Offer::amount`], converted if necessary.
-       ///
-       /// [`chain`]: InvoiceRequest::chain
-       pub amount_msats: Option<u64>,
-
        /// Features pertaining to requesting an invoice.
        pub features: InvoiceRequestFeatures,
 
@@ -1150,10 +1143,9 @@ impl Writeable for InvoiceRequestFields {
        fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
                write_tlv_fields!(writer, {
                        (0, self.payer_id, required),
-                       (2, self.amount_msats.map(|v| HighZeroBytesDroppedBigSize(v)), option),
-                       (4, WithoutLength(&self.features), required),
-                       (6, self.quantity.map(|v| HighZeroBytesDroppedBigSize(v)), option),
-                       (8, self.payer_note_truncated.as_ref().map(|s| WithoutLength(&s.0)), option),
+                       (2, WithoutLength(&self.features), required),
+                       (4, self.quantity.map(|v| HighZeroBytesDroppedBigSize(v)), option),
+                       (6, self.payer_note_truncated.as_ref().map(|s| WithoutLength(&s.0)), option),
                });
                Ok(())
        }
@@ -1163,15 +1155,14 @@ impl Readable for InvoiceRequestFields {
        fn read<R: io::Read>(reader: &mut R) -> Result<Self, DecodeError> {
                _init_and_read_len_prefixed_tlv_fields!(reader, {
                        (0, payer_id, required),
-                       (2, amount_msats, (option, encoding: (u64, HighZeroBytesDroppedBigSize))),
-                       (4, features, (option, encoding: (InvoiceRequestFeatures, WithoutLength))),
-                       (6, quantity, (option, encoding: (u64, HighZeroBytesDroppedBigSize))),
-                       (8, payer_note_truncated, (option, encoding: (String, WithoutLength))),
+                       (2, features, (option, encoding: (InvoiceRequestFeatures, WithoutLength))),
+                       (4, quantity, (option, encoding: (u64, HighZeroBytesDroppedBigSize))),
+                       (6, payer_note_truncated, (option, encoding: (String, WithoutLength))),
                });
                let features = features.unwrap_or(InvoiceRequestFeatures::empty());
 
                Ok(InvoiceRequestFields {
-                       payer_id: payer_id.0.unwrap(), amount_msats, features, quantity,
+                       payer_id: payer_id.0.unwrap(), features, quantity,
                        payer_note_truncated: payer_note_truncated.map(|s| UntrustedString(s)),
                })
        }
@@ -2264,7 +2255,6 @@ mod tests {
 
                let invoice_request = offer.request_invoice(vec![1; 32], payer_pubkey()).unwrap()
                        .chain(Network::Testnet).unwrap()
-                       .amount_msats(1001).unwrap()
                        .quantity(1).unwrap()
                        .payer_note("0".repeat(PAYER_NOTE_LIMIT * 2))
                        .build().unwrap()
@@ -2277,7 +2267,6 @@ mod tests {
                                        fields,
                                        InvoiceRequestFields {
                                                payer_id: payer_pubkey(),
-                                               amount_msats: Some(1001),
                                                features: InvoiceRequestFeatures::empty(),
                                                quantity: Some(1),
                                                payer_note_truncated: Some(UntrustedString("0".repeat(PAYER_NOTE_LIMIT))),