コード例 #1
0
    def setUp(self) -> None:

        crypto_utils.recover_public_key = MagicMock(
            return_value=bytes(32))

        pub_key = "a04f30a45aae413d0ca0f219b4dcb7049857bc3f91a6351288cce603a2c9646294a02b987bf6586b370b2c22d74662355677007a14238bb037aedf41c2d08866"
        opts = gateway_helpers.get_gateway_opts(8000, include_default_eth_args=True, pub_key=pub_key,
                                                                  track_detailed_sent_messages=True)
        if opts.use_extensions:
            helpers.set_extensions_parallelism()
        node_ssl_service = MockNodeSSLService(EthGatewayNode.NODE_TYPE, MagicMock())
        self.node = EthGatewayNode(opts, node_ssl_service)

        self.sut = EthNewBlockFeed(self.node)
コード例 #2
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 def init_live_feeds(self) -> None:
     self.feed_manager.register_feed(EthNewTransactionFeed())
     self.feed_manager.register_feed(
         EthPendingTransactionFeed(self.alarm_queue))
     self.feed_manager.register_feed(EthOnBlockFeed(self))
     self.feed_manager.register_feed(EthNewBlockFeed(self))
     self.feed_manager.register_feed(EthTransactionReceiptsFeed(self))
コード例 #3
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    def setUp(self) -> None:

        crypto_utils.recover_public_key = MagicMock(return_value=bytes(32))

        pub_key = "a04f30a45aae413d0ca0f219b4dcb7049857bc3f91a6351288cce603a2c9646294a02b987bf6586b370b2c22d74662355677007a14238bb037aedf41c2d08866"
        opts = gateway_helpers.get_gateway_opts(8000,
                                                include_default_eth_args=True,
                                                pub_key=pub_key)
        if opts.use_extensions:
            helpers.set_extensions_parallelism()
        node_ssl_service = MockNodeSSLService(EthGatewayNode.NODE_TYPE,
                                              MagicMock())
        self.node = EthGatewayNode(opts, node_ssl_service)
        self.node_conn = MockConnection(
            MockSocketConnection(1, self.node, ip_address=LOCALHOST,
                                 port=8002), self.node)
        self.node.connection_pool.add(1, LOCALHOST, 8002, self.node_conn)
        gateway_helpers.add_blockchain_peer(self.node, self.node_conn)
        self.block_queuing_service = self.node.block_queuing_service_manager.get_designated_block_queuing_service(
        )

        self.sut = EthNewBlockFeed(self.node)
コード例 #4
0
class EthNewBlockFeedPublishTest(AbstractTestCase):
    def setUp(self) -> None:

        crypto_utils.recover_public_key = MagicMock(return_value=bytes(32))

        pub_key = "a04f30a45aae413d0ca0f219b4dcb7049857bc3f91a6351288cce603a2c9646294a02b987bf6586b370b2c22d74662355677007a14238bb037aedf41c2d08866"
        opts = gateway_helpers.get_gateway_opts(
            8000,
            include_default_eth_args=True,
            pub_key=pub_key,
            track_detailed_sent_messages=True)
        if opts.use_extensions:
            helpers.set_extensions_parallelism()
        node_ssl_service = MockNodeSSLService(EthGatewayNode.NODE_TYPE,
                                              MagicMock())
        self.node = EthGatewayNode(opts, node_ssl_service)
        self.node_conn = MockConnection(
            MockSocketConnection(1, self.node, ip_address=LOCALHOST,
                                 port=8002), self.node)
        self.node.connection_pool.add(1, LOCALHOST, 8002, self.node_conn)
        gateway_helpers.add_blockchain_peer(self.node, self.node_conn)
        self.block_queuing_service = self.node.block_queuing_service_manager.get_designated_block_queuing_service(
        )

        self.sut = EthNewBlockFeed(self.node)

    def generate_new_eth_block(self, block_number=10) -> InternalEthBlockInfo:
        block_message = NewBlockEthProtocolMessage(
            None,
            mock_eth_messages.get_dummy_block(
                1,
                mock_eth_messages.get_dummy_block_header(
                    5, int(time.time()), block_number=block_number)), 10)
        block_message.serialize()
        internal_block_message = InternalEthBlockInfo.from_new_block_msg(
            block_message)
        return internal_block_message

    def generate_raw_block_msg(self,
                               block_number=10,
                               source=FeedSource.BLOCKCHAIN_SOCKET):
        block_msg = self.generate_new_eth_block(block_number)
        return EthRawBlock(block_msg.block_number(), block_msg.block_hash(),
                           source,
                           self.node._get_block_message_lazy(block_msg, None))

    def tearDown(self) -> None:
        crypto_utils.recover_public_key = _recover_public_key

    def test_lazy_get_block(self):
        block_msg = self.generate_new_eth_block()
        block_hash = block_msg.block_hash()

        # raises when block is absent from block queueing service
        lazy_block = self.node._get_block_message_lazy(None, block_hash)
        with self.assertRaises(StopIteration):
            block = next(lazy_block)
            self.assertIsNone(block)

        # returns block
        self.node.block_parts_storage[
            block_hash] = block_msg.to_new_block_parts()
        lazy_block = self.node._get_block_message_lazy(None, block_hash)
        block = next(lazy_block)
        self.assertEqual(block.block_hash(), block_hash)

        # returns block
        lazy_block = self.node._get_block_message_lazy(block_msg, None)
        next(lazy_block)
        self.assertEqual(block.block_hash(), block_hash)

    def test_block_seen_from_node(self):
        self.node.publish_block = MagicMock()
        block_msg = self.generate_new_eth_block()
        block_hash = block_msg.block_hash()
        block_number = block_msg.block_number()

        # called without block_msg
        self.block_queuing_service.mark_block_seen_by_blockchain_node(
            block_hash,
            None,
            block_number,
        )
        # called once with block
        self.node.publish_block.assert_not_called()

        # called for same block with message
        self.node.publish_block = MagicMock()
        self.block_queuing_service.mark_block_seen_by_blockchain_node(
            block_hash,
            block_msg,
            block_number,
        )
        self.node.publish_block.assert_called_with(
            block_number, block_hash, block_msg, FeedSource.BLOCKCHAIN_SOCKET)

        # call for stale block
        stale_block_msg = self.generate_new_eth_block(9)
        stale_block_hash = stale_block_msg.block_hash()
        stale_block_number = stale_block_msg.block_number()
        self.node.publish_block = MagicMock()

        self.block_queuing_service.mark_block_seen_by_blockchain_node(
            stale_block_hash,
            stale_block_msg,
            stale_block_number,
        )
        self.node.publish_block.assert_not_called()

    def test_push_block(self):
        self.node.publish_block = MagicMock()
        block_msg = self.generate_new_eth_block()
        block_hash = block_msg.block_hash()
        block_number = block_msg.block_number()

        self.node.block_queuing_service_manager.push(block_hash, block_msg)
        self.node.publish_block.assert_called_once()
        self.node.publish_block.assert_called_with(block_number, block_hash,
                                                   block_msg,
                                                   FeedSource.BDN_SOCKET)

    def test_publish_fork(self):
        # in case of a fork publish current block,
        # and attempt to publish all following blocks from the queueing service

        self.sut.subscriber_count = MagicMock(return_value=10)
        self.sut.publish_blocks_from_queue = MagicMock()

        self.sut.publish(self.generate_raw_block_msg(10))
        self.sut.publish(self.generate_raw_block_msg(11))
        self.sut.publish(self.generate_raw_block_msg(12))

        fork_msg = self.generate_raw_block_msg(10)
        self.sut.publish(fork_msg)

        self.assertIn(fork_msg.block_hash, self.sut.published_blocks.contents)
        self.sut.publish_blocks_from_queue.assert_called_with(11, 12)

    def test_publish_gap(self):
        # in case of a gap attempt to publish all intermediate blocks from the queueing service
        # and publish current block

        self.sut.subscriber_count = MagicMock(return_value=10)
        self.sut.publish_blocks_from_queue = MagicMock()

        self.sut.publish(self.generate_raw_block_msg(10))
        msg = self.generate_raw_block_msg(20)
        self.sut.publish(msg)

        self.assertIn(msg.block_hash, self.sut.published_blocks.contents)
        self.sut.publish_blocks_from_queue.assert_called_once()
        self.sut.publish_blocks_from_queue.assert_called_with(11, 19)

    def test_publish_from_queue(self):
        self.sut.subscriber_count = MagicMock(return_value=10)
        self.sut.publish = MagicMock()

        self.sut.publish_blocks_from_queue(10, 20)
        # no blocks in queueing service
        self.sut.publish.assert_not_called()
        self.block_queuing_service.accepted_block_hash_at_height[11] = "11"
        self.sut.publish_blocks_from_queue(10, 20)
        # only one block in queueing service
        self.sut.publish.assert_called_once()
        self.sut.publish = MagicMock()
        for i in range(10, 20):
            self.block_queuing_service.accepted_block_hash_at_height[i] = str(
                i)
        self.sut.publish_blocks_from_queue(10, 20)
        # only one block in queueing service
        call_args = self.sut.publish.call_args_list
        self.assertTrue(10, len(call_args))
        published_blocks = set({})
        for _call in call_args:
            published_blocks.add(_call[0][0].block_number)
        self.assertEqual(set(range(10, 20)), published_blocks)
コード例 #5
0
class EthNewBlockFeedTest(AbstractTestCase):
    def setUp(self) -> None:
        crypto_utils.recover_public_key = MagicMock(return_value=bytes(32))

        pub_key = "a04f30a45aae413d0ca0f219b4dcb7049857bc3f91a6351288cce603a2c9646294a02b987bf6586b370b2c22d74662355677007a14238bb037aedf41c2d08866"
        opts = gateway_helpers.get_gateway_opts(
            8000,
            include_default_eth_args=True,
            pub_key=pub_key,
            track_detailed_sent_messages=True)
        if opts.use_extensions:
            helpers.set_extensions_parallelism()
        node_ssl_service = MockNodeSSLService(EthGatewayNode.NODE_TYPE,
                                              MagicMock())
        self.node = EthGatewayNode(opts, node_ssl_service)
        self.sut = EthNewBlockFeed(self.node)
        self.message_converter = EthNormalMessageConverter()
        crypto_utils.recover_public_key = MagicMock(return_value=bytes(32))

    def tearDown(self) -> None:
        crypto_utils.recover_public_key = _recover_public_key

    def generate_new_eth_block(self) -> NewBlockEthProtocolMessage:
        block_message = NewBlockEthProtocolMessage(
            None,
            mock_eth_messages.get_dummy_block(
                1,
                mock_eth_messages.get_dummy_block_header(5, int(time.time()))),
            10)
        block_message.serialize()
        return block_message

    @async_test
    async def test_publish_from_internal_block(self):
        subscriber = self.sut.subscribe({})

        block_message = self.generate_new_eth_block()
        internal_block_message = InternalEthBlockInfo.from_new_block_msg(
            block_message)
        block_hash_str = f"0x{str(internal_block_message.block_hash())}"
        self.sut.publish(
            EthRawBlock(block_message.number(), block_message.block_hash(),
                        FeedSource.BLOCKCHAIN_SOCKET,
                        iter([internal_block_message])))
        received_block = await subscriber.receive()
        self._verify_block(block_hash_str, received_block)

    @async_test
    async def test_publish_block_no_subscribers(self):
        self.sut.serialize = MagicMock(wraps=self.sut.serialize)
        block_message = self.generate_new_eth_block()
        internal_block_message = InternalEthBlockInfo.from_new_block_msg(
            block_message)
        self.sut.publish(
            EthRawBlock(block_message.number(), block_message.block_hash(),
                        FeedSource.BLOCKCHAIN_SOCKET,
                        iter([internal_block_message])))

        self.sut.serialize.assert_not_called()

    def _verify_block(self, block_hash_str, received_block):
        self.assertEqual(block_hash_str, received_block["hash"])
        block_items = [
            "parent_hash",
            "sha3_uncles",
            "miner",
            "state_root",
            "transactions_root",
            "receipts_root",
            "number",
            "logs_bloom",
            "difficulty",
            "gas_used",
            "gas_limit",
            "timestamp",
            "extra_data",
            "mix_hash",
            "nonce",
        ]
        tx_items = [
            "from",
            "gas",
            "gas_price",
            "input",
            "value",
            "to",
            "nonce",
            "v",
            "r",
            "s",
        ]

        for item in block_items:
            self.assertIn(item, received_block["header"])
        for uncle in received_block["uncles"]:
            for item in block_items:
                self.assertIn(item, uncle)

        for tx in received_block["transactions"]:
            for item in tx_items:
                self.assertIn(item, tx)