コード例 #1
0
ファイル: ui.cpp プロジェクト: jayeye/jardino
void UI::begin(Display* d, Touch* t) {
  d_ = d;
  t_ = t;
  enc_ = new Encoder(kRotaryLeft, kRotaryRight);
  enc_position_ = enc_->read();
  pinMode(kRotarySelect, INPUT_PULLUP);
  select_ = 1;

  if (!SD.begin(kSdCs)) {
#ifdef DEBUG
    Serial.println("initialization failed!");
#endif
    tft->println("SD init fail");
    return;
  }

  Secrets* secrets = new Secrets();
  String secrets_dir = "/secrets/";
  String tz = readfile(secrets_dir + "tz");
  if (tz.length() != 0) {
    secrets->tzoffset(tz.toInt());
  }
  File root = SD.open(secrets_dir.c_str());
  for (;;) {
    File entry = root.openNextFile();
    if (!entry) {
      break;
    }
    if (entry.isDirectory()) {
      String one_secret_dir = secrets_dir + entry.name() + "/";
      String name = readfile(one_secret_dir + "n");
      String description = readfile(one_secret_dir + "d");
      String secret =  readfile(one_secret_dir + "s");
      if (name.length() == 0 || secret.length() == 0) {
        continue;
      }
      secrets->add(name, description, secret);
    }
  }
  d_->secrets(secrets);
}
コード例 #2
0
ファイル: main.cpp プロジェクト: raasakh/cpp-ethereum
int main(int argc, char** argv)
{
	// Init defaults
	Defaults::get();

	/// Operating mode.
	OperationMode mode = OperationMode::Node;
	string dbPath;
//	unsigned prime = 0;
//	bool yesIReallyKnowWhatImDoing = false;

	/// File name for import/export.
	string filename;
	bool safeImport = false;

	/// Hashes/numbers for export range.
	string exportFrom = "1";
	string exportTo = "latest";
	Format exportFormat = Format::Binary;

	/// General params for Node operation
	NodeMode nodeMode = NodeMode::Full;
	bool interactive = false;
#if ETH_JSONRPC || !ETH_TRUE
	int jsonRPCURL = -1;
#endif
	string jsonAdmin;
	string genesisJSON;
	dev::eth::Network releaseNetwork = c_network;
	u256 gasFloor = UndefinedU256;
	string privateChain;

	bool upnp = true;
	WithExisting withExisting = WithExisting::Trust;
	string sentinel;

	/// Networking params.
	string clientName;
	string listenIP;
	unsigned short listenPort = 30303;
	string publicIP;
	string remoteHost;
	unsigned short remotePort = 30303;
	
	HostPeerPreferences hprefs;
	unsigned peers = hprefs.idealPeerCount;
	unsigned peerStretch = hprefs.stretchPeerCount;
	bool bootstrap = false;
	bool disableDiscovery = false;
	bool pinning = false;
	bool enableDiscovery = false;
	bool noPinning = false;
	unsigned networkId = (unsigned)-1;

	/// Mining params
	unsigned mining = 0;
	bool forceMining = false;
	bool mineOnWrongChain = false;
	Address signingKey;
	Address sessionKey;
	Address beneficiary = signingKey;
	strings presaleImports;

	/// Structured logging params
	bool structuredLogging = false;
	string structuredLoggingFormat = "%Y-%m-%dT%H:%M:%S";
	string structuredLoggingURL;

	/// Transaction params
	TransactionPriority priority = TransactionPriority::Medium;
//	double etherPrice = 30.679;
//	double blockFees = 15.0;
	u256 askPrice = c_defaultGasPrice;
	u256 bidPrice = c_defaultGasPrice;

	// javascript console
	bool useConsole = false;

	/// Wallet password stuff
	string masterPassword;
	
	/// Whisper
	bool useWhisper = false;

	string configFile = getDataDir() + "/config.rlp";
	bytes b = contents(configFile);

	strings passwordsToNote;
	Secrets toImport;
	if (b.size())
	{
		try
		{
			RLP config(b);
			signingKey = config[0].toHash<Address>();
			beneficiary = config[1].toHash<Address>();
		}
		catch (...) {}
	}

	MinerCLI m(MinerCLI::OperationMode::None);

	for (int i = 1; i < argc; ++i)
	{
		string arg = argv[i];
		if (m.interpretOption(i, argc, argv)) {}
		else if (arg == "--listen-ip" && i + 1 < argc)
			listenIP = argv[++i];
		else if ((arg == "-l" || arg == "--listen" || arg == "--listen-port") && i + 1 < argc)
		{
			if (arg == "-l")
				cerr << "-l is DEPRECATED. It will be removed for the Frontier. Use --listen-port instead." << endl;
			listenPort = (short)atoi(argv[++i]);
		}
		else if ((arg == "-u" || arg == "--public-ip" || arg == "--public") && i + 1 < argc)
		{
			if (arg == "-u")
				cerr << "-u is DEPRECATED. It will be removed for the Frontier. Use --public-ip instead." << endl;
			publicIP = argv[++i];
		}
		else if ((arg == "-r" || arg == "--remote") && i + 1 < argc)
			remoteHost = argv[++i];
		else if ((arg == "-p" || arg == "--port") && i + 1 < argc)
		{
			if (arg == "-p")
				cerr << "-p is DEPRECATED. It will be removed for the Frontier. Use --port instead (or place directly as host:port)." << endl;
			remotePort = (short)atoi(argv[++i]);
		}
		else if (arg == "--password" && i + 1 < argc)
			passwordsToNote.push_back(argv[++i]);
		else if (arg == "--master" && i + 1 < argc)
			masterPassword = argv[++i];
		else if ((arg == "-I" || arg == "--import") && i + 1 < argc)
		{
			mode = OperationMode::Import;
			filename = argv[++i];
		}
		else if (arg == "--dont-check")
			safeImport = true;
		else if ((arg == "-E" || arg == "--export") && i + 1 < argc)
		{
			mode = OperationMode::Export;
			filename = argv[++i];
		}
/*		else if (arg == "--prime" && i + 1 < argc)
			try
			{
				prime = stoi(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		else if (arg == "--yes-i-really-know-what-im-doing")
			yesIReallyKnowWhatImDoing = true;
*/		else if (arg == "--sentinel" && i + 1 < argc)
			sentinel = argv[++i];
		else if (arg == "--mine-on-wrong-chain")
			mineOnWrongChain = true;
		else if (arg == "--format" && i + 1 < argc)
		{
			string m = argv[++i];
			if (m == "binary")
				exportFormat = Format::Binary;
			else if (m == "hex")
				exportFormat = Format::Hex;
			else if (m == "human")
				exportFormat = Format::Human;
			else
			{
				cerr << "Bad " << arg << " option: " << m << endl;
				return -1;
			}
		}
		else if (arg == "--to" && i + 1 < argc)
			exportTo = argv[++i];
		else if (arg == "--from" && i + 1 < argc)
			exportFrom = argv[++i];
		else if (arg == "--only" && i + 1 < argc)
			exportTo = exportFrom = argv[++i];
		else if ((arg == "-n" || arg == "-u" || arg == "--upnp") && i + 1 < argc)
		{
			if (arg == "-n")
				cerr << "-n is DEPRECATED. It will be removed for the Frontier. Use --upnp instead." << endl;
			string m = argv[++i];
			if (isTrue(m))
				upnp = true;
			else if (isFalse(m))
				upnp = false;
			else
			{
				cerr << "Bad " << arg << " option: " << m << endl;
				return -1;
			}
		}
		else if (arg == "--network-id" && i + 1 < argc)
			try {
				networkId = stol(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		else if (arg == "--private" && i + 1 < argc)
			try {
				privateChain = argv[++i];
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		else if (arg == "-K" || arg == "--kill-blockchain" || arg == "--kill")
			withExisting = WithExisting::Kill;
		else if (arg == "-R" || arg == "--rebuild")
			withExisting = WithExisting::Verify;
		else if (arg == "-R" || arg == "--rescue")
			withExisting = WithExisting::Rescue;
		else if ((arg == "-c" || arg == "--client-name") && i + 1 < argc)
		{
			if (arg == "-c")
				cerr << "-c is DEPRECATED. It will be removed for the Frontier. Use --client-name instead." << endl;
			clientName = argv[++i];
		}
		else if ((arg == "-a" || arg == "--address" || arg == "--coinbase-address") && i + 1 < argc)
			try {
				beneficiary = h160(fromHex(argv[++i], WhenError::Throw));
			}
			catch (BadHexCharacter&)
			{
				cerr << "Bad hex in " << arg << " option: " << argv[i] << endl;
				return -1;
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		else if ((arg == "-s" || arg == "--import-secret") && i + 1 < argc)
		{
			Secret s(fromHex(argv[++i]));
			toImport.emplace_back(s);
			signingKey = toAddress(s);
		}
		else if ((arg == "-S" || arg == "--import-session-secret") && i + 1 < argc)
		{
			Secret s(fromHex(argv[++i]));
			toImport.emplace_back(s);
			sessionKey = toAddress(s);
		}
		else if ((arg == "--sign-key") && i + 1 < argc)
			sessionKey = Address(fromHex(argv[++i]));
		else if ((arg == "--session-sign-key") && i + 1 < argc)
			sessionKey = Address(fromHex(argv[++i]));
		else if (arg == "--structured-logging-format" && i + 1 < argc)
			structuredLoggingFormat = string(argv[++i]);
		else if (arg == "--structured-logging")
			structuredLogging = true;
		else if (arg == "--structured-logging-url" && i + 1 < argc)
		{
			structuredLogging = true;
			structuredLoggingURL = argv[++i];
		}
		else if ((arg == "-d" || arg == "--path" || arg == "--db-path") && i + 1 < argc)
			dbPath = argv[++i];
		else if ((arg == "--genesis-json" || arg == "--genesis") && i + 1 < argc)
		{
			try
			{
				genesisJSON = contentsString(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		}
		else if (arg == "--frontier")
			releaseNetwork = eth::Network::Frontier;
		else if (arg == "--gas-floor" && i + 1 < argc)
			gasFloor = u256(argv[++i]);
		else if (arg == "--olympic")
			releaseNetwork = eth::Network::Olympic;
/*		else if ((arg == "-B" || arg == "--block-fees") && i + 1 < argc)
		{
			try
			{
				blockFees = stof(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		}
		else if ((arg == "-e" || arg == "--ether-price") && i + 1 < argc)
		{
			try
			{
				etherPrice = stof(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		}*/
		else if (arg == "--ask" && i + 1 < argc)
		{
			try
			{
				askPrice = u256(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		}
		else if (arg == "--bid" && i + 1 < argc)
		{
			try
			{
				bidPrice = u256(argv[++i]);
			}
			catch (...)
			{
				cerr << "Bad " << arg << " option: " << argv[i] << endl;
				return -1;
			}
		}
		else if ((arg == "-P" || arg == "--priority") && i + 1 < argc)
		{
			string m = boost::to_lower_copy(string(argv[++i]));
			if (m == "lowest")
				priority = TransactionPriority::Lowest;
			else if (m == "low")
				priority = TransactionPriority::Low;
			else if (m == "medium" || m == "mid" || m == "default" || m == "normal")
				priority = TransactionPriority::Medium;
			else if (m == "high")
				priority = TransactionPriority::High;
			else if (m == "highest")
				priority = TransactionPriority::Highest;
			else
				try {
					priority = (TransactionPriority)(max(0, min(100, stoi(m))) * 8 / 100);
				}
				catch (...) {
					cerr << "Unknown " << arg << " option: " << m << endl;
					return -1;
				}
		}
		else if ((arg == "-m" || arg == "--mining") && i + 1 < argc)
		{
			string m = argv[++i];
			if (isTrue(m))
				mining = ~(unsigned)0;
			else if (isFalse(m))
				mining = 0;
			else
				try {
					mining = stoi(m);
				}
				catch (...) {
					cerr << "Unknown " << arg << " option: " << m << endl;
					return -1;
				}
		}
		else if (arg == "-b" || arg == "--bootstrap")
			bootstrap = true;
		else if (arg == "--no-discovery")
			disableDiscovery = true;
		else if (arg == "--pin")
			pinning = true;
		else if (arg == "--hermit")
			pinning = disableDiscovery = true;
		else if (arg == "--sociable")
			noPinning = enableDiscovery = true;
		else if (arg == "--import-presale" && i + 1 < argc)
			presaleImports.push_back(argv[++i]);
		else if (arg == "-f" || arg == "--force-mining")
			forceMining = true;
		else if (arg == "--old-interactive")
			interactive = true;
#if ETH_JSONRPC || !ETH_TRUE
		else if ((arg == "-j" || arg == "--json-rpc"))
			jsonRPCURL = jsonRPCURL == -1 ? SensibleHttpPort : jsonRPCURL;
		else if (arg == "--json-rpc-port" && i + 1 < argc)
			jsonRPCURL = atoi(argv[++i]);
		else if (arg == "--json-admin" && i + 1 < argc)
			jsonAdmin = argv[++i];
#endif
#if ETH_JSCONSOLE || !ETH_TRUE
		else if (arg == "-i" || arg == "--interactive" || arg == "--console")
			useConsole = true;
#endif
		else if ((arg == "-v" || arg == "--verbosity") && i + 1 < argc)
			g_logVerbosity = atoi(argv[++i]);
		else if ((arg == "-x" || arg == "--peers") && i + 1 < argc)
			peers = atoi(argv[++i]);
		else if (arg == "--peer-stretch" && i + 1 < argc)
			peerStretch = atoi(argv[++i]);
		else if ((arg == "-o" || arg == "--mode") && i + 1 < argc)
		{
			string m = argv[++i];
			if (m == "full")
				nodeMode = NodeMode::Full;
			else if (m == "peer")
				nodeMode = NodeMode::PeerServer;
			else
			{
				cerr << "Unknown mode: " << m << endl;
				return -1;
			}
		}
#if ETH_EVMJIT
		else if (arg == "--vm" && i + 1 < argc)
		{
			string vmKind = argv[++i];
			if (vmKind == "interpreter")
				VMFactory::setKind(VMKind::Interpreter);
			else if (vmKind == "jit")
				VMFactory::setKind(VMKind::JIT);
			else if (vmKind == "smart")
				VMFactory::setKind(VMKind::Smart);
			else
			{
				cerr << "Unknown VM kind: " << vmKind << endl;
				return -1;
			}
		}
#endif
		else if (arg == "--shh")
			useWhisper = true;
		else if (arg == "-h" || arg == "--help")
			help();
		else if (arg == "-V" || arg == "--version")
			version();
		else
		{
			cerr << "Invalid argument: " << arg << endl;
			exit(-1);
		}
	}

	// Set up all the chain config stuff.
	resetNetwork(releaseNetwork);
	if (!privateChain.empty())
		CanonBlockChain<Ethash>::forceGenesisExtraData(sha3(privateChain).asBytes());
	if (!genesisJSON.empty())
		CanonBlockChain<Ethash>::setGenesis(genesisJSON);
	if (gasFloor != UndefinedU256)
		c_gasFloorTarget = gasFloor;
	if (networkId == (unsigned)-1)
		networkId =  (unsigned)c_network;

	if (g_logVerbosity > 0)
	{
		cout << EthGrayBold "(++)Ethereum" EthReset << endl;
		if (c_network == eth::Network::Olympic)
			cout << "Welcome to Olympic!" << endl;
		else if (c_network == eth::Network::Frontier)
			cout << "Welcome to the " EthMaroonBold "Frontier" EthReset "!" << endl;
	}

	m.execute();

	KeyManager keyManager;
	for (auto const& s: passwordsToNote)
		keyManager.notePassword(s);

	writeFile(configFile, rlpList(signingKey, beneficiary));

	if (sessionKey)
		signingKey = sessionKey;

	if (!clientName.empty())
		clientName += "/";

	string logbuf;
	std::string additional;
	if (interactive)
		g_logPost = [&](std::string const& a, char const*){
			static SpinLock s_lock;
			SpinGuard l(s_lock);

			if (g_silence)
				logbuf += a + "\n";
			else
				cout << "\r           \r" << a << endl << additional << flush;

			// helpful to use OutputDebugString on windows
	#ifdef _WIN32
			{
				OutputDebugStringA(a.data());
				OutputDebugStringA("\n");
			}
	#endif
		};

	auto getPassword = [&](string const& prompt){
		bool s = g_silence;
		g_silence = true;
		cout << endl;
		string ret = dev::getPassword(prompt);
		g_silence = s;
		return ret;
	};
	auto getAccountPassword = [&](Address const& a){
		return getPassword("Enter password for address " + keyManager.accountName(a) + " (" + a.abridged() + "; hint:" + keyManager.passwordHint(a) + "): ");
	};

	StructuredLogger::get().initialize(structuredLogging, structuredLoggingFormat, structuredLoggingURL);
	auto netPrefs = publicIP.empty() ? NetworkPreferences(listenIP, listenPort, upnp) : NetworkPreferences(publicIP, listenIP ,listenPort, upnp);
	netPrefs.discovery = (privateChain.empty() && !disableDiscovery) || enableDiscovery;
	netPrefs.pin = (pinning || !privateChain.empty()) && !noPinning;

	auto nodesState = contents((dbPath.size() ? dbPath : getDataDir()) + "/network.rlp");
	auto caps = useWhisper ? set<string>{"eth", "shh"} : set<string>{"eth"};
	dev::WebThreeDirect web3(
		WebThreeDirect::composeClientVersion("++eth", clientName),
		dbPath,
		withExisting,
		nodeMode == NodeMode::Full ? caps : set<string>(),
		netPrefs,
		&nodesState);
	web3.ethereum()->setMineOnBadChain(mineOnWrongChain);
	web3.ethereum()->setSentinel(sentinel);

	auto toNumber = [&](string const& s) -> unsigned {
		if (s == "latest")
			return web3.ethereum()->number();
		if (s.size() == 64 || (s.size() == 66 && s.substr(0, 2) == "0x"))
			return web3.ethereum()->blockChain().number(h256(s));
		try {
			return stol(s);
		}
		catch (...)
		{
			cerr << "Bad block number/hash option: " << s << endl;
			exit(-1);
		}
	};

	if (mode == OperationMode::Export)
	{
		ofstream fout(filename, std::ofstream::binary);
		ostream& out = (filename.empty() || filename == "--") ? cout : fout;

		unsigned last = toNumber(exportTo);
		for (unsigned i = toNumber(exportFrom); i <= last; ++i)
		{
			bytes block = web3.ethereum()->blockChain().block(web3.ethereum()->blockChain().numberHash(i));
			switch (exportFormat)
			{
			case Format::Binary: out.write((char const*)block.data(), block.size()); break;
			case Format::Hex: out << toHex(block) << endl; break;
			case Format::Human: out << RLP(block) << endl; break;
			default:;
			}
		}
		return 0;
	}

	if (mode == OperationMode::Import)
	{
		ifstream fin(filename, std::ifstream::binary);
		istream& in = (filename.empty() || filename == "--") ? cin : fin;
		unsigned alreadyHave = 0;
		unsigned good = 0;
		unsigned futureTime = 0;
		unsigned unknownParent = 0;
		unsigned bad = 0;
		chrono::steady_clock::time_point t = chrono::steady_clock::now();
		double last = 0;
		unsigned lastImported = 0;
		unsigned imported = 0;
		while (in.peek() != -1)
		{
			bytes block(8);
			in.read((char*)block.data(), 8);
			block.resize(RLP(block, RLP::LaissezFaire).actualSize());
			in.read((char*)block.data() + 8, block.size() - 8);

			switch (web3.ethereum()->queueBlock(block, safeImport))
			{
			case ImportResult::Success: good++; break;
			case ImportResult::AlreadyKnown: alreadyHave++; break;
			case ImportResult::UnknownParent: unknownParent++; break;
			case ImportResult::FutureTimeUnknown: unknownParent++; futureTime++; break;
			case ImportResult::FutureTimeKnown: futureTime++; break;
			default: bad++; break;
			}

			// sync chain with queue
			tuple<ImportRoute, bool, unsigned> r = web3.ethereum()->syncQueue(10);
			imported += get<2>(r);

			double e = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - t).count() / 1000.0;
			if ((unsigned)e >= last + 10)
			{
				auto i = imported - lastImported;
				auto d = e - last;
				cout << i << " more imported at " << (round(i * 10 / d) / 10) << " blocks/s. " << imported << " imported in " << e << " seconds at " << (round(imported * 10 / e) / 10) << " blocks/s (#" << web3.ethereum()->number() << ")" << endl;
				last = (unsigned)e;
				lastImported = imported;
//				cout << web3.ethereum()->blockQueueStatus() << endl;
			}
		}

		while (web3.ethereum()->blockQueue().items().first + web3.ethereum()->blockQueue().items().second > 0)
		{
			this_thread::sleep_for(chrono::seconds(1));
			web3.ethereum()->syncQueue(100000);
		}
		double e = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - t).count() / 1000.0;
		cout << imported << " imported in " << e << " seconds at " << (round(imported * 10 / e) / 10) << " blocks/s (#" << web3.ethereum()->number() << ")" << endl;
		return 0;
	}
/*
	if (c_network == eth::Network::Frontier && !yesIReallyKnowWhatImDoing)
	{
		auto pd = contents(getDataDir() + "primes");
		unordered_set<unsigned> primes = RLP(pd).toUnorderedSet<unsigned>();
		while (true)
		{
			if (!prime)
				try
				{
					prime = stoi(getPassword("To enter the Frontier, enter a 6 digit prime that you have not entered before: "));
				}
				catch (...) {}
			if (isPrime(prime) && !primes.count(prime))
				break;
			prime = 0;
		}
		primes.insert(prime);
		writeFile(getDataDir() + "primes", rlp(primes));
	}
*/
	if (keyManager.exists())
	{
		if (masterPassword.empty() || !keyManager.load(masterPassword))
			while (true)
			{
				masterPassword = getPassword("Please enter your MASTER password: "******"The password you entered is incorrect. If you have forgotten your password, and you wish to start afresh, manually remove the file: " + getDataDir("ethereum") + "/keys.info" << endl;
			}
	}
	else
	{
		while (masterPassword.empty())
		{
			masterPassword = getPassword("Please enter a MASTER password to protect your key store (make it strong!): ");
			string confirm = getPassword("Please confirm the password by entering it again: ");
			if (masterPassword != confirm)
			{
				cout << "Passwords were different. Try again." << endl;
				masterPassword.clear();
			}
		}
		keyManager.create(masterPassword);
	}

	for (auto const& presale: presaleImports)
		importPresale(keyManager, presale, [&](){ return getPassword("Enter your wallet password for " + presale + ": "); });

	for (auto const& s: toImport)
	{
		keyManager.import(s, "Imported key (UNSAFE)");
		if (!signingKey)
			signingKey = toAddress(s);
	}

	if (keyManager.accounts().empty())
	{
		h128 uuid = keyManager.import(Secret::random(), "Default key");
		if (!beneficiary)
			beneficiary = keyManager.address(uuid);
		if (!signingKey)
			signingKey = keyManager.address(uuid);
		writeFile(configFile, rlpList(signingKey, beneficiary));
	}

	cout << ethCredits();
	web3.setIdealPeerCount(peers);
	web3.setPeerStretch(peerStretch);
//	std::shared_ptr<eth::BasicGasPricer> gasPricer = make_shared<eth::BasicGasPricer>(u256(double(ether / 1000) / etherPrice), u256(blockFees * 1000));
	std::shared_ptr<eth::TrivialGasPricer> gasPricer = make_shared<eth::TrivialGasPricer>(askPrice, bidPrice);
	eth::Client* c = nodeMode == NodeMode::Full ? web3.ethereum() : nullptr;
	StructuredLogger::starting(WebThreeDirect::composeClientVersion("++eth", clientName), dev::Version);
	if (c)
	{
		c->setGasPricer(gasPricer);
		c->setForceMining(forceMining);
		// TODO: expose sealant interface.
		c->setShouldPrecomputeDAG(m.shouldPrecompute());
		c->setTurboMining(m.minerType() == MinerCLI::MinerType::GPU);
		c->setBeneficiary(beneficiary);
		c->setNetworkId(networkId);
	}

	cout << "Transaction Signer: " << signingKey << endl;
	cout << "Mining Benefactor: " << beneficiary << endl;

	if (bootstrap || !remoteHost.empty() || disableDiscovery)
	{
		web3.startNetwork();
		cout << "Node ID: " << web3.enode() << endl;
	}
	else
		cout << "Networking disabled. To start, use netstart or pass -b or a remote host." << endl;

	if (useConsole && jsonRPCURL == -1)
		jsonRPCURL = SensibleHttpPort;

#if ETH_JSONRPC || !ETH_TRUE
	shared_ptr<dev::WebThreeStubServer> jsonrpcServer;
	unique_ptr<jsonrpc::AbstractServerConnector> jsonrpcConnector;
	if (jsonRPCURL > -1)
	{
		jsonrpcConnector = unique_ptr<jsonrpc::AbstractServerConnector>(new jsonrpc::HttpServer(jsonRPCURL, "", "", SensibleHttpThreads));
		jsonrpcServer = make_shared<dev::WebThreeStubServer>(*jsonrpcConnector.get(), web3, make_shared<SimpleAccountHolder>([&](){ return web3.ethereum(); }, getAccountPassword, keyManager), vector<KeyPair>(), keyManager, *gasPricer);
		jsonrpcServer->StartListening();
		if (jsonAdmin.empty())
			jsonAdmin = jsonrpcServer->newSession(SessionPermissions{{Privilege::Admin}});
		else
			jsonrpcServer->addSession(jsonAdmin, SessionPermissions{{Privilege::Admin}});
		cout << "JSONRPC Admin Session Key: " << jsonAdmin << endl;
		writeFile(getDataDir("web3") + "/session.key", jsonAdmin);
		writeFile(getDataDir("web3") + "/session.url", "http://localhost:" + toString(jsonRPCURL));
	}
#endif

	if (bootstrap)
		for (auto const& i: Host::pocHosts())
			web3.requirePeer(i.first, i.second);
	if (!remoteHost.empty())
		web3.addNode(p2p::NodeId(), remoteHost + ":" + toString(remotePort));

	signal(SIGABRT, &sighandler);
	signal(SIGTERM, &sighandler);
	signal(SIGINT, &sighandler);

	if (interactive)
		interactiveMode(c, gasPricer, web3, keyManager, logbuf, additional, getPassword, getAccountPassword, netPrefs, beneficiary, signingKey, priority);
	else if (c)
	{
		unsigned n = c->blockChain().details().number;
		if (mining)
			c->startMining();
		if (useConsole)
		{
#if ETH_JSCONSOLE || !ETH_TRUE
			JSLocalConsole console;
			shared_ptr<dev::WebThreeStubServer> rpcServer = make_shared<dev::WebThreeStubServer>(*console.connector(), web3, make_shared<SimpleAccountHolder>([&](){ return web3.ethereum(); }, getAccountPassword, keyManager), vector<KeyPair>(), keyManager, *gasPricer);
			string sessionKey = rpcServer->newSession(SessionPermissions{{Privilege::Admin}});
			console.eval("web3.admin.setSessionKey('" + sessionKey + "')");
			while (!g_exit)
			{
				console.readExpression();
				stopMiningAfterXBlocks(c, n, mining);
			}
			rpcServer->StopListening();
#endif
		}
		else
			while (!g_exit)
				stopMiningAfterXBlocks(c, n, mining);
	}
	else
		while (!g_exit)
			this_thread::sleep_for(chrono::milliseconds(1000));

#if ETH_JSONRPC
	if (jsonrpcServer.get())
		jsonrpcServer->StopListening();
#endif

	StructuredLogger::stopping(WebThreeDirect::composeClientVersion("++eth", clientName), dev::Version);
	auto netData = web3.saveNetwork();
	if (!netData.empty())
		writeFile((dbPath.size() ? dbPath : getDataDir()) + "/network.rlp", netData);
	return 0;
}
コード例 #3
0
ファイル: main.cpp プロジェクト: ethereum/cpp-ethereum
int main(int argc, char** argv)
{
    setDefaultOrCLocale();

    // Init secp256k1 context by calling one of the functions.
    toPublic(Secret{});

    // Init defaults
    Ethash::init();
    NoProof::init();

    /// Operating mode.
    OperationMode mode = OperationMode::Node;

    /// File name for import/export.
    string filename;
    bool safeImport = false;

    /// Hashes/numbers for export range.
    string exportFrom = "1";
    string exportTo = "latest";
    Format exportFormat = Format::Binary;

    bool ipc = true;

    string jsonAdmin;
    ChainParams chainParams;

    bool upnp = true;
    WithExisting withExisting = WithExisting::Trust;

    /// Networking params.
    string listenIP;
    unsigned short listenPort = dev::p2p::c_defaultListenPort;
    string publicIP;
    string remoteHost;
    unsigned short remotePort = dev::p2p::c_defaultListenPort;

    unsigned peers = 11;
    unsigned peerStretch = 7;
    std::map<p2p::NodeID, pair<NodeIPEndpoint, bool>> preferredNodes;
    bool bootstrap = true;
    bool disableDiscovery = false;
    bool allowLocalDiscovery = false;
    static const unsigned NoNetworkID = (unsigned)-1;
    unsigned networkID = NoNetworkID;

    /// Mining params
    unsigned mining = 0;
    Address author;
    strings presaleImports;
    bytes extraData;

    /// Transaction params
//  TransactionPriority priority = TransactionPriority::Medium;
//  double etherPrice = 30.679;
//  double blockFees = 15.0;
    u256 askPrice = 0;
    u256 bidPrice = DefaultGasPrice;
    bool alwaysConfirm = true;

    /// Wallet password stuff
    string masterPassword;
    bool masterSet = false;

    /// Whisper
    bool testingMode = false;

    fs::path configFile = getDataDir() / fs::path("config.rlp");
    bytes b = contents(configFile);

    strings passwordsToNote;
    Secrets toImport;
    if (b.size())
    {
        try
        {
            RLP config(b);
            author = config[1].toHash<Address>();
        }
        catch (...) {}
    }

    if (argc > 1 && (string(argv[1]) == "wallet" || string(argv[1]) == "account"))
    {
        AccountManager accountm;
        return !accountm.execute(argc, argv);
    }


    MinerCLI miner(MinerCLI::OperationMode::None);

    bool listenSet = false;
    bool chainConfigIsSet = false;
    fs::path configPath;
    string configJSON;

    po::options_description clientDefaultMode("CLIENT MODE (default)", c_lineWidth);
    auto addClientOption = clientDefaultMode.add_options();
    addClientOption("mainnet", "Use the main network protocol");
    addClientOption("ropsten", "Use the Ropsten testnet");
    addClientOption("test", "Testing mode; disable PoW and provide test rpc interface");
    addClientOption("config", po::value<string>()->value_name("<file>"),
        "Configure specialised blockchain using given JSON information\n");
    addClientOption("ipc", "Enable IPC server (default: on)");
    addClientOption("ipcpath", po::value<string>()->value_name("<path>"),
        "Set .ipc socket path (default: data directory)");
    addClientOption("no-ipc", "Disable IPC server");
    addClientOption("admin", po::value<string>()->value_name("<password>"),
        "Specify admin session key for JSON-RPC (default: auto-generated and printed at "
        "start-up)");
    addClientOption("kill,K", "Kill the blockchain first");
    addClientOption("rebuild,R", "Rebuild the blockchain from the existing database");
    addClientOption("rescue", "Attempt to rescue a corrupt database\n");
    addClientOption("import-presale", po::value<string>()->value_name("<file>"),
        "Import a pre-sale key; you'll need to specify the password to this key");
    addClientOption("import-secret,s", po::value<string>()->value_name("<secret>"),
        "Import a secret key into the key store");
    addClientOption("import-session-secret,S", po::value<string>()->value_name("<secret>"),
        "Import a secret session into the key store");
    addClientOption("master", po::value<string>()->value_name("<password>"),
        "Give the master password for the key store; use --master \"\" to show a prompt");
    addClientOption("password", po::value<string>()->value_name("<password>"),
        "Give a password for a private key\n");

    po::options_description clientTransacting("CLIENT TRANSACTING", c_lineWidth);
    auto addTransactingOption = clientTransacting.add_options();
    addTransactingOption("ask", po::value<u256>()->value_name("<wei>"),
        ("Set the minimum ask gas price under which no transaction will be mined (default: " +
            toString(DefaultGasPrice) + ")")
            .c_str());
    addTransactingOption("bid", po::value<u256>()->value_name("<wei>"),
        ("Set the bid gas price to pay for transactions (default: " + toString(DefaultGasPrice) +
            ")")
            .c_str());
    addTransactingOption("unsafe-transactions",
        "Allow all transactions to proceed without verification; EXTREMELY UNSAFE\n");

    po::options_description clientMining("CLIENT MINING", c_lineWidth);
    auto addMininigOption = clientMining.add_options();
    addMininigOption("address,a", po::value<Address>()->value_name("<addr>"),
        "Set the author (mining payout) address (default: auto)");
    addMininigOption("mining,m", po::value<string>()->value_name("<on/off/number>"),
        "Enable mining; optionally for a specified number of blocks (default: off)");
    addMininigOption("extra-data", po::value<string>(), "Set extra data for the sealed blocks\n");

    po::options_description clientNetworking("CLIENT NETWORKING", c_lineWidth);
    auto addNetworkingOption = clientNetworking.add_options();
    addNetworkingOption("bootstrap,b",
        "Connect to the default Ethereum peer servers (default unless --no-discovery used)");
    addNetworkingOption("no-bootstrap",
        "Do not connect to the default Ethereum peer servers (default only when --no-discovery is "
        "used)");
    addNetworkingOption("peers,x", po::value<int>()->value_name("<number>"),
        "Attempt to connect to a given number of peers (default: 11)");
    addNetworkingOption("peer-stretch", po::value<int>()->value_name("<number>"),
        "Give the accepted connection multiplier (default: 7)");
    addNetworkingOption("public-ip", po::value<string>()->value_name("<ip>"),
        "Force advertised public IP to the given IP (default: auto)");
    addNetworkingOption("listen-ip", po::value<string>()->value_name("<ip>(:<port>)"),
        "Listen on the given IP for incoming connections (default: 0.0.0.0)");
    addNetworkingOption("listen", po::value<unsigned short>()->value_name("<port>"),
        "Listen on the given port for incoming connections (default: 30303)");
    addNetworkingOption("remote,r", po::value<string>()->value_name("<host>(:<port>)"),
        "Connect to the given remote host (default: none)");
    addNetworkingOption("port", po::value<short>()->value_name("<port>"),
        "Connect to the given remote port (default: 30303)");
    addNetworkingOption("network-id", po::value<unsigned>()->value_name("<n>"),
        "Only connect to other hosts with this network id");
    addNetworkingOption("allow-local-discovery", po::bool_switch(&allowLocalDiscovery),
        "Include local addresses in the discovery process. Used for testing purposes.");
#if ETH_MINIUPNPC
    addNetworkingOption(
        "upnp", po::value<string>()->value_name("<on/off>"), "Use UPnP for NAT (default: on)");
#endif

    stringstream peersetDescriptionStream;
    peersetDescriptionStream << "Comma delimited list of peers; element format: type:enode://publickey@ipAddress[:port[?discport=port]]\n"
        "        Types:\n"
        "        default     Attempt connection when no other peers are available and pinning is disabled\n"
        "        required    Keep connected at all times\n\n"
        "        Ports:\n"
        "        The first port argument is the tcp port used for direct communication among peers. If the second port\n"
        "        argument isn't supplied, the first port argument will also be the udp port used for node discovery.\n"
        "        If neither the first nor second port arguments are supplied, a default port of " << dev::p2p::c_defaultListenPort << " will be used for\n"
        "        both peer communication and node discovery.";
    string peersetDescription = peersetDescriptionStream.str();
    addNetworkingOption("peerset", po::value<string>()->value_name("<list>"), peersetDescription.c_str());
    addNetworkingOption("no-discovery", "Disable node discovery; implies --no-bootstrap");
    addNetworkingOption("pin", "Only accept or connect to trusted peers\n");

    std::string snapshotPath;
    po::options_description importExportMode("IMPORT/EXPORT MODES", c_lineWidth);
    auto addImportExportOption = importExportMode.add_options();
    addImportExportOption(
        "import,I", po::value<string>()->value_name("<file>"), "Import blocks from file");
    addImportExportOption(
        "export,E", po::value<string>()->value_name("<file>"), "Export blocks to file");
    addImportExportOption("from", po::value<string>()->value_name("<n>"),
        "Export only from block n; n may be a decimal, a '0x' prefixed hash, or 'latest'");
    addImportExportOption("to", po::value<string>()->value_name("<n>"),
        "Export only to block n (inclusive); n may be a decimal, a '0x' prefixed hash, or "
        "'latest'");
    addImportExportOption("only", po::value<string>()->value_name("<n>"),
        "Equivalent to --export-from n --export-to n");
    addImportExportOption(
        "format", po::value<string>()->value_name("<binary/hex/human>"), "Set export format");
    addImportExportOption("dont-check",
        "Prevent checking some block aspects. Faster importing, but to apply only when the data is "
        "known to be valid");
    addImportExportOption("download-snapshot",
        po::value<string>(&snapshotPath)->value_name("<path>"),
        "Download Parity Warp Sync snapshot data to the specified path");
    addImportExportOption("import-snapshot", po::value<string>()->value_name("<path>"),
        "Import blockchain and state data from the Parity Warp Sync snapshot\n");

    std::string const logChannels =
        "block blockhdr bq chain client debug discov error ethcap exec host impolite info net "
        "overlaydb p2pcap peer rlpx rpc snap statedb sync timer tq trace vmtrace warn warpcap watch";
    LoggingOptions loggingOptions;
    po::options_description loggingProgramOptions(
        createLoggingProgramOptions(c_lineWidth, loggingOptions, logChannels));

    po::options_description generalOptions("GENERAL OPTIONS", c_lineWidth);
    auto addGeneralOption = generalOptions.add_options();
    addGeneralOption("data-dir,d", po::value<string>()->value_name("<path>"),
        ("Load configuration files and keystore from path (default: " + getDataDir().string() + ")").c_str());
    addGeneralOption("version,V", "Show the version and exit");
    addGeneralOption("help,h", "Show this help message and exit\n");

    po::options_description vmOptions = vmProgramOptions(c_lineWidth);
    po::options_description dbOptions = db::databaseProgramOptions(c_lineWidth);
    po::options_description minerOptions = MinerCLI::createProgramOptions(c_lineWidth);

    po::options_description allowedOptions("Allowed options");
    allowedOptions.add(clientDefaultMode)
        .add(clientTransacting)
        .add(clientMining)
        .add(minerOptions)
        .add(clientNetworking)
        .add(importExportMode)
        .add(vmOptions)
        .add(dbOptions)
        .add(loggingProgramOptions)
        .add(generalOptions);

    po::variables_map vm;

    try
    {
        po::parsed_options parsed = po::parse_command_line(argc, argv, allowedOptions);
        po::store(parsed, vm);
        po::notify(vm);
    }
    catch (po::error const& e)
    {
        cerr << e.what() << "\n";
        return AlethErrors::ArgumentProcessingFailure;
    }

    miner.interpretOptions(vm);

    if (vm.count("import-snapshot"))
    {
        mode = OperationMode::ImportSnapshot;
        filename = vm["import-snapshot"].as<string>();
    }
    if (vm.count("version"))
    {
        version();
        return AlethErrors::Success;
    }
    if (vm.count("test"))
    {
        testingMode = true;
        disableDiscovery = true;
        bootstrap = false;
    }
    if (vm.count("peers"))
        peers = vm["peers"].as<int>();
    if (vm.count("peer-stretch"))
        peerStretch = vm["peer-stretch"].as<int>();

    if (vm.count("peerset"))
    {
        string peersetStr = vm["peerset"].as<string>();
        vector<string> peersetList;
        boost::split(peersetList, peersetStr, boost::is_any_of(","));
        bool parsingError = false;
        const string peerPattern = "^(default|required):(.*)";
        regex rx(peerPattern);
        smatch match;
        for (auto const& p : peersetList)
        {
            if (regex_match(p, match, rx))
            {
                bool required = match.str(1) == "required";
                NodeSpec ns(match.str(2));
                if (ns.isValid())
                    preferredNodes[ns.id()] = make_pair(ns.nodeIPEndpoint(), required);
                else
                {
                    parsingError = true;
                    break;
                }
            }
            else
            {
                parsingError = true;
                break;
            }
        }
        if (parsingError)
        {
             cerr << "Unrecognized peerset: " << peersetStr << "\n";
             return AlethErrors::UnrecognizedPeerset;
        }
    }

    if (vm.count("import-presale"))
        presaleImports.push_back(vm["import-presale"].as<string>());
    if (vm.count("admin"))
        jsonAdmin = vm["admin"].as<string>();
    if (vm.count("ipc"))
        ipc = true;
    if (vm.count("no-ipc"))
        ipc = false;
    if (vm.count("mining"))
    {
        string m = vm["mining"].as<string>();
        if (isTrue(m))
            mining = ~(unsigned)0;
        else if (isFalse(m))
            mining = 0;
        else
            try
            {
                mining = stoi(m);
            }
            catch (...) {
                cerr << "Unknown --mining option: " << m << "\n";
                return AlethErrors::UnknownMiningOption;
            }
    }
    if (vm.count("bootstrap"))
        bootstrap = true;
    if (vm.count("no-bootstrap"))
        bootstrap = false;
    if (vm.count("no-discovery"))
    {
        disableDiscovery = true;
        bootstrap = false;
    }
    if (vm.count("unsafe-transactions"))
        alwaysConfirm = false;
    if (vm.count("data-dir"))
        setDataDir(vm["data-dir"].as<string>());
    if (vm.count("ipcpath"))
        setIpcPath(vm["ipcpath"].as<string>());
    if (vm.count("config"))
    {
        try
        {
            configPath = vm["config"].as<string>();
            configJSON = contentsString(configPath.string());

            if (configJSON.empty())
            {
                cerr << "Config file not found or empty (" << configPath.string() << ")\n";
                return AlethErrors::ConfigFileEmptyOrNotFound;
            }
        }
        catch (...)
        {
            cerr << "Bad --config option: " << vm["config"].as<string>() << "\n";
            return AlethErrors::BadConfigOption;
        }
    }
    if (vm.count("extra-data"))
    {
        try
        {
            extraData = fromHex(vm["extra-data"].as<string>());
        }
        catch (...)
        {
            cerr << "Bad " << "--extra-data" << " option: " << vm["extra-data"].as<string>() << "\n";
            return AlethErrors::BadExtraDataOption;
        }
    }
    if (vm.count("mainnet"))
    {
        chainParams = ChainParams(genesisInfo(eth::Network::MainNetwork), genesisStateRoot(eth::Network::MainNetwork));
        chainConfigIsSet = true;
    }
    if (vm.count("ropsten"))
    {
        chainParams = ChainParams(genesisInfo(eth::Network::Ropsten), genesisStateRoot(eth::Network::Ropsten));
        chainConfigIsSet = true;
    }
    if (vm.count("ask"))
    {
        try
        {
            askPrice = vm["ask"].as<u256>();
        }
        catch (...)
        {
            cerr << "Bad --ask option: " << vm["ask"].as<string>() << "\n";
            return AlethErrors::BadAskOption;
        }
    }
    if (vm.count("bid"))
    {
        try
        {
            bidPrice = vm["bid"].as<u256>();
        }
        catch (...)
        {
            cerr << "Bad --bid option: " << vm["bid"].as<string>() << "\n";
            return AlethErrors::BadBidOption;
        }
    }
    if (vm.count("listen-ip"))
    {
        listenIP = vm["listen-ip"].as<string>();
        listenSet = true;
    }
    if (vm.count("listen")) {
        listenPort = vm["listen"].as<unsigned short>();
        listenSet = true;
    }
    if (vm.count("public-ip")) {
        publicIP = vm["public-ip"].as<string>();
    }
    if (vm.count("remote"))
    {
        string host = vm["remote"].as<string>();
        string::size_type found = host.find_first_of(':');
        if (found != std::string::npos)
        {
            remoteHost = host.substr(0, found);
            remotePort = (short)atoi(host.substr(found + 1, host.length()).c_str());
        }
        else
            remoteHost = host;
    }
    if (vm.count("port"))
    {
        remotePort = vm["port"].as<short>();
    }
    if (vm.count("import"))
    {
        mode = OperationMode::Import;
        filename = vm["import"].as<string>();
    }
    if (vm.count("export"))
    {
        mode = OperationMode::Export;
        filename = vm["export"].as<string>();
    }
    if (vm.count("password"))
        passwordsToNote.push_back(vm["password"].as<string>());
    if (vm.count("master"))
    {
        masterPassword = vm["master"].as<string>();
        masterSet = true;
    }
    if (vm.count("dont-check"))
        safeImport = true;
    if (vm.count("format"))
    {
        string m = vm["format"].as<string>();
        if (m == "binary")
            exportFormat = Format::Binary;
        else if (m == "hex")
            exportFormat = Format::Hex;
        else if (m == "human")
            exportFormat = Format::Human;
        else
        {
            cerr << "Bad " << "--format" << " option: " << m << "\n";
            return AlethErrors::BadFormatOption;
        }
    }
    if (vm.count("to"))
        exportTo = vm["to"].as<string>();
    if (vm.count("from"))
        exportFrom = vm["from"].as<string>();
    if (vm.count("only"))
        exportTo = exportFrom = vm["only"].as<string>();
#if ETH_MINIUPNPC
    if (vm.count("upnp"))
    {
        string m = vm["upnp"].as<string>();
        if (isTrue(m))
            upnp = true;
        else if (isFalse(m))
            upnp = false;
        else
        {
            cerr << "Bad " << "--upnp" << " option: " << m << "\n";
            return AlethErrors::BadUpnpOption;
        }
    }
#endif
    if (vm.count("network-id"))
        try
        {
            networkID = vm["network-id"].as<unsigned>();
        }
        catch (...)
        {
            cerr << "Bad " << "--network-id" << " option: " << vm["network-id"].as<string>() << "\n";
            return AlethErrors::BadNetworkIdOption;
        }
    if (vm.count("kill"))
        withExisting = WithExisting::Kill;
    if (vm.count("rebuild"))
        withExisting = WithExisting::Verify;
    if (vm.count("rescue"))
        withExisting = WithExisting::Rescue;
    if (vm.count("address"))
        try
        {
            author = vm["address"].as<Address>();
        }
        catch (BadHexCharacter&)
        {
            cerr << "Bad hex in " << "--address" << " option: " << vm["address"].as<string>() << "\n";
            return AlethErrors::BadHexValueInAddressOption;
        }
        catch (...)
        {
            cerr << "Bad " << "--address" << " option: " << vm["address"].as<string>() << "\n";
            return AlethErrors::BadAddressOption;
        }
    if ((vm.count("import-secret")))
    {
        Secret s(fromHex(vm["import-secret"].as<string>()));
        toImport.emplace_back(s);
    }
    if (vm.count("import-session-secret"))
    {
        Secret s(fromHex(vm["import-session-secret"].as<string>()));
        toImport.emplace_back(s);
    }
    if (vm.count("help"))
    {
        cout << "NAME:\n"
             << "   aleth " << Version << '\n'
             << "USAGE:\n"
             << "   aleth [options]\n\n"
             << "WALLET USAGE:\n";
        AccountManager::streamAccountHelp(cout);
        AccountManager::streamWalletHelp(cout);
        cout << clientDefaultMode << clientTransacting << clientNetworking << clientMining << minerOptions;
        cout << importExportMode << dbOptions << vmOptions << loggingProgramOptions << generalOptions;
        return AlethErrors::Success;
    }

    if (!configJSON.empty())
    {
        try
        {
            chainParams = chainParams.loadConfig(configJSON, {}, configPath);
            chainConfigIsSet = true;
        }
        catch (...)
        {
            cerr << "provided configuration is not well-formatted\n";
            cerr << "well-formatted sample: \n"
                 << genesisInfo(eth::Network::MainNetworkTest) << "\n";
            return AlethErrors::ConfigFileInvalid;
        }
    }

    setupLogging(loggingOptions);


    if (!chainConfigIsSet)
        // default to mainnet if not already set with any of `--mainnet`, `--ropsten`, `--genesis`, `--config`
        chainParams = ChainParams(genesisInfo(eth::Network::MainNetwork), genesisStateRoot(eth::Network::MainNetwork));

    if (loggingOptions.verbosity > 0)
        cout << EthGrayBold "aleth, a C++ Ethereum client" EthReset << "\n";

    miner.execute();

    fs::path secretsPath;
    if (testingMode)
        secretsPath = boost::filesystem::path(getDataDir()) / "keystore";
    else
        secretsPath = SecretStore::defaultPath();
    KeyManager keyManager(KeyManager::defaultPath(), secretsPath);
    for (auto const& s: passwordsToNote)
        keyManager.notePassword(s);

    // the first value is deprecated (never used)
    writeFile(configFile, rlpList(author, author));

    string logbuf;
    std::string additional;

    auto getPassword = [&](string const& prompt) {
        bool s = g_silence;
        g_silence = true;
        cout << "\n";
        string ret = dev::getPassword(prompt);
        g_silence = s;
        return ret;
    };
    auto getResponse = [&](string const& prompt, unordered_set<string> const& acceptable) {
        bool s = g_silence;
        g_silence = true;
        cout << "\n";
        string ret;
        while (true)
        {
            cout << prompt;
            getline(cin, ret);
            if (acceptable.count(ret))
                break;
            cout << "Invalid response: " << ret << "\n";
        }
        g_silence = s;
        return ret;
    };
    auto getAccountPassword = [&](Address const& a){
        return getPassword("Enter password for address " + keyManager.accountName(a) + " (" + a.abridged() + "; hint:" + keyManager.passwordHint(a) + "): ");
    };

    auto netPrefs = publicIP.empty() ? NetworkConfig(listenIP, listenPort, upnp) : NetworkConfig(publicIP, listenIP ,listenPort, upnp);
    netPrefs.discovery = !disableDiscovery;
    netPrefs.allowLocalDiscovery = allowLocalDiscovery;
    netPrefs.pin = vm.count("pin") != 0;

    auto nodesState = contents(getDataDir() / fs::path(c_networkConfigFileName));

    if (testingMode)
        chainParams.allowFutureBlocks = true;

    dev::WebThreeDirect web3(WebThreeDirect::composeClientVersion("aleth"), db::databasePath(),
        snapshotPath, chainParams, withExisting, netPrefs, &nodesState, testingMode);

    if (!extraData.empty())
        web3.ethereum()->setExtraData(extraData);

    auto toNumber = [&](string const& s) -> unsigned {
        if (s == "latest")
            return web3.ethereum()->number();
        if (s.size() == 64 || (s.size() == 66 && s.substr(0, 2) == "0x"))
            return web3.ethereum()->blockChain().number(h256(s));
        try
        {
            return stol(s);
        }
        catch (...)
        {
            cerr << "Bad block number/hash option: " << s << "\n";
            return AlethErrors::BadBlockNumberHashOption;
        }
    };

    if (mode == OperationMode::Export)
    {
        ofstream fout(filename, std::ofstream::binary);
        ostream& out = (filename.empty() || filename == "--") ? cout : fout;

        unsigned last = toNumber(exportTo);
        for (unsigned i = toNumber(exportFrom); i <= last; ++i)
        {
            bytes block = web3.ethereum()->blockChain().block(web3.ethereum()->blockChain().numberHash(i));
            switch (exportFormat)
            {
            case Format::Binary: out.write((char const*)block.data(), block.size()); break;
            case Format::Hex: out << toHex(block) << "\n"; break;
            case Format::Human: out << RLP(block) << "\n"; break;
            default:;
            }
        }
        return AlethErrors::Success;
    }

    if (mode == OperationMode::Import)
    {
        ifstream fin(filename, std::ifstream::binary);
        istream& in = (filename.empty() || filename == "--") ? cin : fin;
        unsigned alreadyHave = 0;
        unsigned good = 0;
        unsigned futureTime = 0;
        unsigned unknownParent = 0;
        unsigned bad = 0;
        chrono::steady_clock::time_point t = chrono::steady_clock::now();
        double last = 0;
        unsigned lastImported = 0;
        unsigned imported = 0;
        while (in.peek() != -1)
        {
            bytes block(8);
            in.read((char*)block.data(), 8);
            block.resize(RLP(block, RLP::LaissezFaire).actualSize());
            in.read((char*)block.data() + 8, block.size() - 8);

            switch (web3.ethereum()->queueBlock(block, safeImport))
            {
            case ImportResult::Success: good++; break;
            case ImportResult::AlreadyKnown: alreadyHave++; break;
            case ImportResult::UnknownParent: unknownParent++; break;
            case ImportResult::FutureTimeUnknown: unknownParent++; futureTime++; break;
            case ImportResult::FutureTimeKnown: futureTime++; break;
            default: bad++; break;
            }

            // sync chain with queue
            tuple<ImportRoute, bool, unsigned> r = web3.ethereum()->syncQueue(10);
            imported += get<2>(r);

            double e = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - t).count() / 1000.0;
            if ((unsigned)e >= last + 10)
            {
                auto i = imported - lastImported;
                auto d = e - last;
                cout << i << " more imported at " << (round(i * 10 / d) / 10) << " blocks/s. " << imported << " imported in " << e << " seconds at " << (round(imported * 10 / e) / 10) << " blocks/s (#" << web3.ethereum()->number() << ")" << "\n";
                last = (unsigned)e;
                lastImported = imported;
            }
        }

        bool moreToImport = true;
        while (moreToImport)
        {
            this_thread::sleep_for(chrono::seconds(1));
            tie(ignore, moreToImport, ignore) = web3.ethereum()->syncQueue(100000);
        }
        double e = chrono::duration_cast<chrono::milliseconds>(chrono::steady_clock::now() - t).count() / 1000.0;
        cout << imported << " imported in " << e << " seconds at " << (round(imported * 10 / e) / 10) << " blocks/s (#" << web3.ethereum()->number() << ")\n";
        return AlethErrors::Success;
    }

    try
    {
        if (keyManager.exists())
        {
            if (!keyManager.load(masterPassword) && masterSet)
            {
                while (true)
                {
                    masterPassword = getPassword("Please enter your MASTER password: "******"The password you entered is incorrect. If you have forgotten your password, and you wish to start afresh, manually remove the file: " << (getDataDir("ethereum") / fs::path("keys.info")).string() << "\n";
                }
            }
        }
        else
        {
            if (masterSet)
                keyManager.create(masterPassword);
            else
                keyManager.create(std::string());
        }
    }
    catch(...)
    {
        cerr << "Error initializing key manager: " << boost::current_exception_diagnostic_information() << "\n";
        return AlethErrors::KeyManagerInitializationFailure;
    }

    for (auto const& presale: presaleImports)
        importPresale(keyManager, presale, [&](){ return getPassword("Enter your wallet password for " + presale + ": "); });

    for (auto const& s: toImport)
    {
        keyManager.import(s, "Imported key (UNSAFE)");
    }

    cout << "aleth " << Version << "\n";

    if (mode == OperationMode::ImportSnapshot)
    {
        try
        {
            auto stateImporter = web3.ethereum()->createStateImporter();
            auto blockChainImporter = web3.ethereum()->createBlockChainImporter();
            SnapshotImporter importer(*stateImporter, *blockChainImporter);

            auto snapshotStorage(createSnapshotStorage(filename));
            importer.import(*snapshotStorage, web3.ethereum()->blockChain().genesisHash());
            // continue with regular sync from the snapshot block
        }
        catch (...)
        {
            cerr << "Error during importing the snapshot: " << boost::current_exception_diagnostic_information() << endl;
            return AlethErrors::SnapshotImportFailure;
        }
    }


    web3.setIdealPeerCount(peers);
    web3.setPeerStretch(peerStretch);
    std::shared_ptr<eth::TrivialGasPricer> gasPricer =
        make_shared<eth::TrivialGasPricer>(askPrice, bidPrice);
    Client& c = *(web3.ethereum());
    c.setGasPricer(gasPricer);
    c.setSealer(miner.minerType());
    c.setAuthor(author);
    if (networkID != NoNetworkID)
        c.setNetworkId(networkID);

    auto renderFullAddress = [&](Address const& _a) -> std::string
    {
        return toUUID(keyManager.uuid(_a)) + " - " + _a.hex();
    };

    if (author)
        cout << "Mining Beneficiary: " << renderFullAddress(author) << "\n";

    if (bootstrap || !remoteHost.empty() || !disableDiscovery || listenSet || !preferredNodes.empty())
    {
        web3.startNetwork();
        cout << "Node ID: " << web3.enode() << "\n";
    }
    else
        cout << "Networking disabled. To start, use netstart or pass --bootstrap or a remote host.\n";

    unique_ptr<rpc::SessionManager> sessionManager;
    unique_ptr<SimpleAccountHolder> accountHolder;
    unique_ptr<ModularServer<>> jsonrpcIpcServer;


    AddressHash allowedDestinations;

    std::function<bool(TransactionSkeleton const&, bool)> authenticator;
    if (testingMode)
        authenticator = [](TransactionSkeleton const&, bool) -> bool { return true; };
    else
        authenticator = [&](TransactionSkeleton const& _t, bool isProxy) -> bool {
            // "unlockAccount" functionality is done in the AccountHolder.
            if (!alwaysConfirm || allowedDestinations.count(_t.to))
                return true;

            string r = getResponse(_t.userReadable(isProxy,
                [&](TransactionSkeleton const& _t) -> pair<bool, string>
                {
                    h256 contractCodeHash = web3.ethereum()->postState().codeHash(_t.to);
                    if (contractCodeHash == EmptySHA3)
                        return std::make_pair(false, std::string());
                    // TODO: actually figure out the natspec. we'll need the natspec database here though.
                    return std::make_pair(true, std::string());
                }, [&](Address const& _a) { return _a.hex(); }
            ) + "\nEnter yes/no/always (always to this address): ", {"yes", "n", "N", "no", "NO", "always"});
            if (r == "always")
                allowedDestinations.insert(_t.to);
            return r == "yes" || r == "always";
        };

    ExitHandler exitHandler;

    if (ipc)
    {
        using FullServer = ModularServer<
            rpc::EthFace,
            rpc::NetFace, rpc::Web3Face, rpc::PersonalFace,
            rpc::AdminEthFace, rpc::AdminNetFace,
            rpc::DebugFace, rpc::TestFace
        >;

        sessionManager.reset(new rpc::SessionManager());
        accountHolder.reset(new SimpleAccountHolder([&](){ return web3.ethereum(); }, getAccountPassword, keyManager, authenticator));
        auto ethFace = new rpc::Eth(*web3.ethereum(), *accountHolder.get());
        rpc::TestFace* testEth = nullptr;
        if (testingMode)
            testEth = new rpc::Test(*web3.ethereum());

        jsonrpcIpcServer.reset(new FullServer(
            ethFace, new rpc::Net(web3),
            new rpc::Web3(web3.clientVersion()), new rpc::Personal(keyManager, *accountHolder, *web3.ethereum()),
            new rpc::AdminEth(*web3.ethereum(), *gasPricer.get(), keyManager, *sessionManager.get()),
            new rpc::AdminNet(web3, *sessionManager.get()),
            new rpc::Debug(*web3.ethereum()),
            testEth
        ));
        auto ipcConnector = new IpcServer("geth");
        jsonrpcIpcServer->addConnector(ipcConnector);
        ipcConnector->StartListening();

        if (jsonAdmin.empty())
            jsonAdmin = sessionManager->newSession(rpc::SessionPermissions{{rpc::Privilege::Admin}});
        else
            sessionManager->addSession(jsonAdmin, rpc::SessionPermissions{{rpc::Privilege::Admin}});

        cout << "JSONRPC Admin Session Key: " << jsonAdmin << "\n";
    }

    if (web3.isNetworkStarted())
    {
        for (auto const& p: preferredNodes)
            if (p.second.second)
                web3.requirePeer(p.first, p.second.first);
            else
                web3.addNode(p.first, p.second.first);

        if (bootstrap)
            for (auto const& i : defaultBootNodes())
                web3.requirePeer(i.first, i.second);
        if (!remoteHost.empty())
            web3.addNode(p2p::NodeID(), remoteHost + ":" + toString(remotePort));
    }

    signal(SIGABRT, &ExitHandler::exitHandler);
    signal(SIGTERM, &ExitHandler::exitHandler);
    signal(SIGINT, &ExitHandler::exitHandler);

    unsigned n = c.blockChain().details().number;
    if (mining)
        c.startSealing();

    while (!exitHandler.shouldExit())
        stopSealingAfterXBlocks(&c, n, mining);

    if (jsonrpcIpcServer.get())
        jsonrpcIpcServer->StopListening();

    if (web3.isNetworkStarted())
    {
        web3.stopNetwork();
        auto netData = web3.saveNetwork();
        if (!netData.empty())
            writeFile(getDataDir() / fs::path(c_networkConfigFileName), netData);
    }
    return AlethErrors::Success;
}