document generation for ops

api/gateway/tgsettle/internal/service/gateway/service_test.go

@@ -37,6 +37,20 @@ func (f *fakePaymentsStore) FindByIdempotencyKey(_ context.Context, key string)
 	return f.records[key], nil
 }
 
+func (f *fakePaymentsStore) FindByOperationRef(_ context.Context, key string) (*storagemodel.PaymentRecord, error) {
+	f.mu.Lock()
+	defer f.mu.Unlock()
+	if f.records == nil {
+		return nil, nil
+	}
+	for _, record := range f.records {
+		if record != nil && record.OperationRef == key {
+			return record, nil
+		}
+	}
+	return nil, nil
+}
+
 func (f *fakePaymentsStore) Upsert(_ context.Context, record *storagemodel.PaymentRecord) error {
 	f.mu.Lock()
 	defer f.mu.Unlock()