models.py 文件源码

def generate_invoice(self, user, article):
        """
        Generates a new invoice
        """
        assert self.status == 'pending_invoice', "Already generated invoice"
        channel = grpc.insecure_channel(settings.LND_RPCHOST)
        stub = lnrpc.LightningStub(channel)

        add_invoice_resp = stub.AddInvoice(ln.Invoice(value=settings.MIN_VIEW_AMOUNT, memo="User '{}' | ArticleId {}".format(user.username, article.id)))
        r_hash_base64 = codecs.encode(add_invoice_resp.r_hash, 'base64')
        self.r_hash = r_hash_base64.decode('utf-8')
        self.payment_request = add_invoice_resp.payment_request
        self.status = 'pending_payment'
        self.save()