models.py 文件源码

def check_payment(self):
        """
        Checks if the Lightning payment has been received for this invoice
        """
        if self.status == 'pending_invoice':
            return False

        channel = grpc.insecure_channel(settings.LND_RPCHOST)
        stub = lnrpc.LightningStub(channel)

        r_hash_base64 = self.r_hash.encode('utf-8')
        r_hash_bytes = str(codecs.decode(r_hash_base64, 'base64'))
        invoice_resp = stub.LookupInvoice(ln.PaymentHash(r_hash=r_hash_bytes))

        if invoice_resp.settled:
            # Payment complete
            self.status = 'complete'
            self.save()
            return True
        else:
            # Payment not received
            return False