/*
This file is part of cpp-ethereum.
cpp-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
cpp-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file main.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
* Ethereum client.
*/
#include <thread>
#include <chrono>
#include <fstream>
#include "Defaults.h"
#include "Client.h"
#include "PeerNetwork.h"
#include "BlockChain.h"
#include "State.h"
#include "FileSystem.h"
#include "BuildInfo.h"
using namespace std;
using namespace eth;
bool isTrue(std::string const& _m)
{
return _m == "on" || _m == "yes" || _m == "true" || _m == "1";
}
bool isFalse(std::string const& _m)
{
return _m == "off" || _m == "no" || _m == "false" || _m == "0";
}
void help()
{
cout
<< "Usage eth [OPTIONS] <remote-host>" << endl
<< "Options:" << endl
<< " -a,--address <addr> Set the coinbase (mining payout) address to addr (default: auto)." << endl
<< " -c,--client-name <name> Add a name to your client's version string (default: blank)." << endl
<< " -d,--db-path <path> Load database from path (default: ~/.ethereum " << endl
<< " <APPDATA>/Etherum or Library/Application Support/Ethereum)." << endl
<< " -h,--help Show this help message and exit." << endl
<< " -i,--interactive Enter interactive mode (default: non-interactive)." << endl
<< " -l,--listen <port> Listen on the given port for incoming connected (default: 30303)." << endl
<< " -m,--mining <on/off/number> Enable mining, optionally for a specified number of blocks (Default: off)" << endl
<< " -n,--upnp <on/off> Use upnp for NAT (default: on)." << endl
<< " -o,--mode <full/peer> Start a full node or a peer node (Default: full)." << endl
<< " -p,--port <port> Connect to remote port (default: 30303)." << endl
<< " -r,--remote <host> Connect to remote host (default: none)." << endl
<< " -s,--secret <secretkeyhex> Set the secret key for use with send command (default: auto)." << endl
<< " -u,--public-ip <ip> Force public ip to given (default; auto)." << endl
<< " -v,--verbosity <0 - 9> Set the log verbosity from 0 to 9 (Default: 8)." << endl
<< " -x,--peers <number> Attempt to connect to given number of peers (Default: 5)." << endl
<< " -V,--version Show the version and exit." << endl;
exit(0);
}
void version()
{
cout << "eth version " << ETH_QUOTED(ETH_VERSION) << endl;
cout << "Build: " << ETH_QUOTED(ETH_BUILD_PLATFORM) << "/" << ETH_QUOTED(ETH_BUILD_TYPE) << endl;
exit(0);
}
int main(int argc, char** argv)
{
unsigned short listenPort = 30303;
string remoteHost;
unsigned short remotePort = 30303;
bool interactive = false;
string dbPath;
eth::uint mining = ~(eth::uint)0;
NodeMode mode = NodeMode::Full;
unsigned peers = 5;
string publicIP;
bool upnp = true;
string clientName;
// Init defaults
Defaults::get();
// Our address.
KeyPair us = KeyPair::create();
Address coinbase = us.address();
string configFile = getDataDir() + "/config.rlp";
bytes b = contents(configFile);
if (b.size())
{
RLP config(b);
us = KeyPair(config[0].toHash<Secret>());
coinbase = config[1].toHash<Address>();
}
else
{
RLPStream config(2);
config << us.secret() << coinbase;
writeFile(configFile, config.out());
}
for (int i = 1; i < argc; ++i)
{
string arg = argv[i];
if ((arg == "-l" || arg == "--listen" || arg == "--listen-port") && i + 1 < argc)
listenPort = (short)atoi(argv[++i]);
else if ((arg == "-u" || arg == "--public-ip" || arg == "--public") && i + 1 < argc)
publicIP = argv[++i];
else if ((arg == "-r" || arg == "--remote") && i + 1 < argc)
remoteHost = argv[++i];
else if ((arg == "-p" || arg == "--port") && i + 1 < argc)
remotePort = (short)atoi(argv[++i]);
else if ((arg == "-n" || arg == "--upnp") && i + 1 < argc)
{
string m = argv[++i];
if (isTrue(m))
upnp = true;
else if (isFalse(m))
upnp = false;
else
{
cerr << "Invalid UPnP option: " << m << endl;
return -1;
}
}
else if ((arg == "-c" || arg == "--client-name") && i + 1 < argc)
clientName = argv[++i];
else if ((arg == "-a" || arg == "--address" || arg == "--coinbase-address") && i + 1 < argc)
coinbase = h160(fromHex(argv[++i]));
else if ((arg == "-s" || arg == "--secret") && i + 1 < argc)
us = KeyPair(h256(fromHex(argv[++i])));
else if (arg == "-i" || arg == "--interactive")
interactive = true;
else if ((arg == "-d" || arg == "--path" || arg == "--db-path") && i + 1 < argc)
dbPath = argv[++i];
else if ((arg == "-m" || arg == "--mining") && i + 1 < argc)
{
string m = argv[++i];
if (isTrue(m))
mining = ~(eth::uint)0;
else if (isFalse(m))
mining = 0;
else if (int i = stoi(m))
mining = i;
else
{
cerr << "Unknown mining option: " << m << endl;
return -1;
}
}
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 == "-o" || arg == "--mode") && i + 1 < argc)
{
string m = argv[++i];
if (m == "full")
mode = NodeMode::Full;
else if (m == "peer")
mode = NodeMode::PeerServer;
else
{
cerr << "Unknown mode: " << m << endl;
return -1;
}
}
else if (arg == "-h" || arg == "--help")
help();
else if (arg == "-V" || arg == "--version")
version();
else
remoteHost = argv[i];
}
if (!clientName.empty())
clientName += "/";
Client c("Ethereum(++)/" + clientName + "v" ETH_QUOTED(ETH_VERSION) "/" ETH_QUOTED(ETH_BUILD_TYPE) "/" ETH_QUOTED(ETH_BUILD_PLATFORM), coinbase, dbPath);
if (interactive)
{
cout << "Ethereum (++)" << endl;
cout << " Code by Gav Wood, (c) 2013, 2014." << endl;
cout << " Based on a design by Vitalik Buterin." << endl << endl;
while (true)
{
cout << "> " << flush;
std::string cmd;
cin >> cmd;
if (cmd == "netstart")
{
eth::uint port;
cin >> port;
c.startNetwork((short)port);
}
else if (cmd == "connect")
{
string addr;
eth::uint port;
cin >> addr >> port;
c.connect(addr, (short)port);
}
else if (cmd == "netstop")
{
c.stopNetwork();
}
else if (cmd == "minestart")
{
c.startMining();
}
else if (cmd == "minestop")
{
c.stopMining();
}
else if (cmd == "address")
{
cout << endl;
cout << "Current address: " + toHex(us.address().asArray()) << endl;
cout << "===" << endl;
}
else if (cmd == "secret")
{
cout << endl;
cout << "Current secret: " + toHex(us.secret().asArray()) << endl;
cout << "===" << endl;
}
else if (cmd == "block")
{
eth::uint n = c.blockChain().details().number;
cout << endl;
cout << "Current block # " << n << endl;
cout << "===" << endl;
}
else if (cmd == "balance")
{
u256 balance = c.state().balance(us.address());
cout << endl;
cout << "Current balance: ";
cout << balance << endl;
cout << "===" << endl;
}
else if (cmd == "transact")
{
string sechex;
string rechex;
u256 amount;
cin >> sechex >> rechex >> amount;
Secret secret = h256(fromHex(sechex));
Address dest = h160(fromHex(rechex));
c.transact(secret, dest, amount);
}
else if (cmd == "send")
{
string rechex;
u256 amount;
cin >> rechex >> amount;
Address dest = h160(fromHex(rechex));
c.transact(us.secret(), dest, amount);
}
else if (cmd == "exit")
{
break;
}
}
}
else
{
cout << "Address: " << endl << toHex(us.address().asArray()) << endl;
c.startNetwork(listenPort, remoteHost, remotePort, mode, peers, publicIP, upnp);
eth::uint n = c.blockChain().details().number;
if (mining)
c.startMining();
while (true)
{
if (c.blockChain().details().number - n == mining)
c.stopMining();
this_thread::sleep_for(chrono::milliseconds(100));
}
}
return 0;
}