fix: mint nut04

crates/cdk-integration-tests/tests/regtest.rs

@@ -186,7 +186,7 @@ async fn test_pay_invoice_twice() -> Result<()> {
 }
 
 #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
-async fn test_internal_payment() -> Result<()> {
+async fn test_regtest_internal_payment() -> Result<()> {
     let lnd_client = init_lnd_client().await?;
 
     let seed = Mnemonic::generate(12)?.to_seed_normalized("");

crates/cdk/src/mint/mint_nut04.rs

@@ -268,6 +268,7 @@ impl Mint {
             .localstore
             .update_mint_quote_state(&mint_request.quote, MintQuoteState::Pending)
             .await?;
+
         let quote = self
             .localstore
             .get_mint_quote(&mint_request.quote)
@@ -289,14 +290,6 @@ impl Mint {
             MintQuoteState::Paid => (),
         }
 
-        let amount_can_issue = quote.amount_paid - quote.amount_issued;
-
-        let messages_amount = mint_request.total_amount().unwrap();
-
-        if amount_can_issue < messages_amount {
-            return Err(Error::IssuedQuote);
-        }
-
         let blinded_messages: Vec<PublicKey> = mint_request
             .outputs
             .iter()
@@ -357,7 +350,10 @@ impl Mint {
             state: MintQuoteState::Issued,
             expiry: quote.expiry,
             amount_paid: quote.amount_paid,
-            amount_issued: quote.amount_issued + messages_amount,
+            amount_issued: quote.amount_issued
+                + mint_request
+                    .total_amount()
+                    .map_err(|_| Error::AmountOverflow)?,
             request_lookup_id: quote.request_lookup_id,
             single_use: None,
         };