Prune stale unconfirmed invoice payments during wallet polling.

Refactor processInvoice into upsert and prune helpers so absent 0-conf payments are removed when the wallet no longer reports them.

backend/src/modules/payment/services/InvoicePaymentService.spec.ts

@@ -87,6 +87,7 @@ describe('InvoicePaymentService', () => {
     };
     let paymentRepo: {
         update: jest.Mock;
+        delete: jest.Mock;
         createQueryBuilder: jest.Mock;
     };
     let insertQueryBuilder: {
@@ -133,6 +134,7 @@ describe('InvoicePaymentService', () => {
 
         paymentRepo = {
             update: jest.fn().mockResolvedValue(undefined),
+            delete: jest.fn().mockResolvedValue(undefined),
             createQueryBuilder: jest.fn().mockReturnValue(insertQueryBuilder)
         };
 
@@ -384,13 +386,35 @@ describe('InvoicePaymentService', () => {
             expect(paymentRepo.update).not.toHaveBeenCalled();
         });
 
-        it('does nothing when there are no transfers to process', async () => {
+        it('does not mutate payments when there are no transfers and no existing payments', async () => {
             transactionalInvoiceQueryBuilder.getOne.mockResolvedValue(buildXmrInvoice());
 
             await service.processInvoice('invoice-1', []);
 
             expect(paymentRepo.createQueryBuilder).not.toHaveBeenCalled();
             expect(paymentRepo.update).not.toHaveBeenCalled();
+            expect(paymentRepo.delete).not.toHaveBeenCalled();
+        });
+
+        it('removes unconfirmed payments that are no longer reported when transfers are empty', async () => {
+            transactionalInvoiceQueryBuilder.getOne.mockResolvedValue(
+                buildBtcInvoice({
+                    payments: [
+                        {
+                            id: 'payment-ghost',
+                            txHash: 'ghost',
+                            amountAtomic: '50000',
+                            confirmations: 0
+                        } as InvoicePayment
+                    ]
+                })
+            );
+
+            await service.processInvoice('invoice-btc-1', []);
+
+            expect(paymentRepo.delete).toHaveBeenCalledWith('payment-ghost');
+            expect(paymentRepo.createQueryBuilder).not.toHaveBeenCalled();
+            expect(paymentRepo.update).not.toHaveBeenCalled();
         });
 
         it('skips transfers below the configured minimum', async () => {
@@ -528,5 +552,34 @@ describe('InvoicePaymentService', () => {
                 confirmations: 1
             });
         });
+
+        it('removes unconfirmed payments that are no longer reported', async () => {
+            transactionalInvoiceQueryBuilder.getOne.mockResolvedValue(
+                buildBtcInvoice({
+                    payments: [
+                        {
+                            id: 'payment-original',
+                            txHash: 'original',
+                            amountAtomic: '50000',
+                            confirmations: 0
+                        } as InvoicePayment,
+                        {
+                            id: 'payment-replacement',
+                            txHash: 'replacement',
+                            amountAtomic: '50000',
+                            confirmations: 3
+                        } as InvoicePayment
+                    ]
+                })
+            );
+
+            await service.processInvoice('invoice-btc-1', [
+                buildBtcTransfer({ txHash: 'replacement', amountAtomic: '50000', confirmations: 3 })
+            ]);
+
+            expect(paymentRepo.delete).toHaveBeenCalledWith('payment-original');
+            expect(paymentRepo.update).not.toHaveBeenCalled();
+            expect(paymentRepo.createQueryBuilder).not.toHaveBeenCalled();
+        });
     });
 });

backend/src/modules/payment/services/InvoicePaymentService.ts

@@ -135,8 +135,6 @@ export class InvoicePaymentService {
     }
 
     private async processInvoice(invoiceId: string, transfers: InvoiceIncomingTransfer[]): Promise<void> {
-        const { minByMethod } = this.configService.get('invoice') as Config['invoice'];
-
         await this.dataSource.transaction(async manager => {
             const invoiceRepo = manager.getRepository(Invoice);
             const paymentRepo = manager.getRepository(InvoicePayment);
@@ -152,6 +150,19 @@ export class InvoicePaymentService {
                 return;
             }
 
+            await this.upsertIncomingPayments(paymentRepo, invoice, transfers);
+
+            await this.pruneAbsentUnconfirmedPayments(paymentRepo, invoice, transfers);
+        });
+    }
+
+    private async upsertIncomingPayments(
+        paymentRepo: Repository<InvoicePayment>,
+        invoice: Invoice,
+        transfers: InvoiceIncomingTransfer[]
+    ): Promise<void> {
+        const { minByMethod } = this.configService.get('invoice') as Config['invoice'];
+
         const minIncomingAtomic = minByMethod[invoice.paymentMethod];
         const knownByTxHash = new Map((invoice.payments ?? []).map(payment => [payment.txHash, payment]));
 
@@ -174,7 +185,7 @@ export class InvoicePaymentService {
                 .createQueryBuilder()
                 .insert()
                 .values({
-                        invoice: { id: invoiceId },
+                    invoice: { id: invoice.id },
                     txHash: transfer.txHash,
                     amountAtomic: transfer.amountAtomic,
                     confirmations: transfer.confirmations
@@ -182,6 +193,19 @@ export class InvoicePaymentService {
                 .orIgnore()
                 .execute();
         }
-        });
+    }
+
+    private async pruneAbsentUnconfirmedPayments(
+        paymentRepo: Repository<InvoicePayment>,
+        invoice: Invoice,
+        transfers: InvoiceIncomingTransfer[]
+    ): Promise<void> {
+        const activeTxHashes = new Set(transfers.map(transfer => transfer.txHash));
+
+        for (const payment of invoice.payments ?? []) {
+            if (payment.confirmations === 0 && !activeTxHashes.has(payment.txHash)) {
+                await paymentRepo.delete(payment.id);
+            }
+        }
     }
 }