Function invoice_unpaid

tests/test_pay.py:568–570

(dst, label)

    rhash = inv['payment_hash']

    def invoice_unpaid(dst, label):
        invoices = dst.rpc.listinvoices(label)['invoices']
        return len(invoices) == 1 and invoices[0]['status'] == 'unpaid'

    routestep = {
        'amount_msat': amt,