Example #1
0
    def test_string_to_signature(self):
        with open(self.channel_tx, 'rb') as f:
            channel_tx = f.read()

        channel_config = utils.extract_channel_config(channel_tx)

        client = Client()
        client.state_store = FileKeyValueStore(self.kv_store_path)

        orderer_org_admin = get_orderer_org_admin(client)
        orderer_org_admin_tx_context = \
            TXContext(orderer_org_admin, Ecies(), {})
        client.tx_context = orderer_org_admin_tx_context

        orderer_org_admin_signature = client.sign_channel_config(
            channel_config)
        orderer_org_admin_signature_bytes = \
            orderer_org_admin_signature.SerializeToString()

        proto_signature = utils.string_to_signature(
            [orderer_org_admin_signature_bytes])

        self.assertIsInstance(proto_signature, list)
        self.assertTrue(
            'OrdererMSP' in proto_signature[0].signature_header.__str__())
Example #2
0
    def test_string_to_signature(self):
        with open(self.channel_tx, 'rb') as f:
            channel_tx = f.read()

        channel_config = utils.extract_channel_config(channel_tx)

        client = Client('test/fixtures/network.json')

        orderer_org_admin = get_orderer_org_user(
            state_store=client.state_store)
        orderer_org_admin_tx_context = \
            TXContext(orderer_org_admin, Ecies(), {})
        client.tx_context = orderer_org_admin_tx_context

        orderer_org_admin_signature = client.sign_channel_config(
            channel_config)

        proto_signature = utils.string_to_signature(
            [orderer_org_admin_signature])

        self.assertIsInstance(proto_signature, list)
        self.assertTrue(
            'OrdererMSP' in proto_signature[0].signature_header.__str__())
Example #3
0
    def _create_or_update_channel_request(self, request, have_envelope):
        """Inits the create of update channel process.

        Args:
            request (dct): A create_update channel request.
            have_envelope (bool): Signals if the requests contains a finished
            protobuf envelope.

        Returns:
            rx.Observable: An observable for the orderer_response
                or an error.

        """
        _logger.debug('_create_or_update_channel - start')

        error_msg = None

        if 'config' not in request and not have_envelope:
            error_msg = 'Missing config request parameter containing ' \
                        'the configuration of the channel'

        if 'signatures' not in request and not have_envelope:
            error_msg = 'Missing signatures request parameter for the ' \
                        'new channel'
        elif 'signatures' in request and \
                not isinstance(request['signatures'], list) \
                and not have_envelope:
            error_msg = 'Signatures request parameter must be an array ' \
                        'of signatures'

        if 'tx_id' not in request and not have_envelope:
            error_msg = 'Missing tx_id request parameter'

        if 'nonce' not in request and not have_envelope:
            error_msg = 'Missing nonce request parameter'

        if 'orderer' not in request:
            error_msg = 'Missing orderer request parameter'

        if 'channel_name' not in request:
            error_msg = 'Missing channel_name request parameter'

        if error_msg:
            _logger.error(
                '_create_or_update_channel error: {}'.format(error_msg))
            raise ValueError(error_msg)

        if have_envelope:
            _logger.debug('_create_or_update_channel - have envelope')
            envelope = common_pb2.Envelope()
            envelope.ParseFromString(request['envelope'])

            signature = envelope.signature
            payload = envelope.payload

        else:
            _logger.debug('_create_or_update_channel - have config_update')
            proto_config_update_envelope = configtx_pb2.ConfigUpdateEnvelope()

            proto_config_update_envelope.config_update = request['config']

            # convert signatures to protobuf signature
            signatures = request['signatures']
            proto_signatures = utils.string_to_signature(signatures)

            proto_config_update_envelope.signatures.extend(proto_signatures)

            proto_channel_header = utils.build_channel_header(
                common_pb2.HeaderType.Value('CONFIG_UPDATE'), request['tx_id'],
                request['channel_name'], utils.current_timestamp())

            proto_header = utils.build_header(self.tx_context.identity,
                                              proto_channel_header,
                                              request['nonce'])

            proto_payload = common_pb2.Payload()

            proto_payload.header.CopyFrom(proto_header)
            proto_payload.data = proto_config_update_envelope \
                .SerializeToString()
            payload_bytes = proto_payload.SerializeToString()

            signature_bytes = self.tx_context.sign(payload_bytes)

            signature = signature_bytes
            payload = payload_bytes

        # assemble the final envelope
        out_envelope = common_pb2.Envelope()
        out_envelope.signature = signature
        out_envelope.payload = payload

        orderer = request['orderer']

        return orderer.broadcast(out_envelope)