def AddInvoice(self, request, context):
        """lncli: `addinvoice`
        AddInvoice attempts to add a new invoice to the invoice database. Any
        duplicated invoices are rejected, therefore all invoices *must* have a
        unique payment preimage.
        """
        context.set_code(grpc.StatusCode.UNIMPLEMENTED)
        context.set_details('Method not implemented!')
        raise NotImplementedError('Method not implemented!')
lncli: `addinvoice`
        AddInvoice attempts to add a new invoice to the invoice database. Any
        duplicated invoices are rejected, therefore all invoices *must* have a
        unique payment preimage.
        
home.admin/config.scripts/lndlibs/lightning_pb2_grpc.py