f - check quantity against offer upfront

Author: jkczyz

lightning/src/offers/invoice_request.rs

@@ -658,7 +658,7 @@ mod tests {
 			.build().unwrap()
 			.request_invoice(vec![1; 32], payer_pubkey())
 			.amount_msats(1000)
-			.quantity(2)
+			.quantity(2).unwrap()
 			.build()
 		{
 			Ok(_) => panic!("expected error"),
@@ -697,7 +697,6 @@ mod tests {
 			.request_invoice(vec![1; 32], payer_pubkey())
 			.amount_msats(2_000)
 			.quantity(2)
-			.build()
 		{
 			Ok(_) => panic!("expected error"),
 			Err(e) => assert_eq!(e, SemanticError::UnexpectedQuantity),
@@ -709,7 +708,7 @@ mod tests {
 			.build().unwrap()
 			.request_invoice(vec![1; 32], payer_pubkey())
 			.amount_msats(10_000)
-			.quantity(10)
+			.quantity(10).unwrap()
 			.build().unwrap()
 			.sign(payer_sign).unwrap();
 		let (_, _, tlv_stream, _) = invoice_request.as_tlv_stream();
@@ -723,7 +722,6 @@ mod tests {
 			.request_invoice(vec![1; 32], payer_pubkey())
 			.amount_msats(11_000)
 			.quantity(11)
-			.build()
 		{
 			Ok(_) => panic!("expected error"),
 			Err(e) => assert_eq!(e, SemanticError::InvalidQuantity),
@@ -735,7 +733,7 @@ mod tests {
 			.build().unwrap()
 			.request_invoice(vec![1; 32], payer_pubkey())
 			.amount_msats(2_000)
-			.quantity(2)
+			.quantity(2).unwrap()
 			.build().unwrap()
 			.sign(payer_sign).unwrap();
 		let (_, _, tlv_stream, _) = invoice_request.as_tlv_stream();