1 million block batch add

gistfile1.txt

TEST (block_processor, mass_add)
{
	nano::system system;
	nano::node_config node_config (nano::get_available_port (), system.logging);
	node_config.frontiers_confirmation = nano::frontiers_confirmation_mode::disabled;
	auto node = system.add_node (node_config);
	nano::genesis genesis;
	nano::keypair key;
	system.wallet (0)->insert_adhoc (nano::test_genesis_key.prv);
	auto const num_blocks = 1000000;
	auto latest_genesis = node->latest (nano::test_genesis_key.pub);
	std::vector<std::shared_ptr<nano::state_block>> state_blocks;
	{
		for (auto i = 0; i < num_blocks; ++i)
		{
			auto send (std::make_shared<nano::state_block> (nano::test_genesis_key.pub, latest_genesis, nano::test_genesis_key.pub, nano::genesis_amount - i - 1, nano::test_genesis_key.pub, nano::test_genesis_key.prv, nano::test_genesis_key.pub, *system.work.generate (latest_genesis)));
			latest_genesis = send->hash ();
			state_blocks.push_back (send);
		}
	}

	nano::timer<> timer;
	timer.start ();
	for (auto const & block : state_blocks)
	{
		node->block_processor.add (block, nano::seconds_since_epoch ());
	}
	system.deadline_set (1000s);
	while (node->ledger.cache.block_count != num_blocks + 1)
	{
		ASSERT_NO_ERROR (system.poll ());
	}

	node->block_processor.flush ();
	std::cout << "Time: " << timer.since_start ().count () << "ms" << std::endl;
}