Browse Source

Merge remote-tracking branch 'upstream/develop' into stateLogTests

cl-refactor
CJentzsch 10 years ago
parent
commit
4d78cd8325
  1. 483
      libp2p/Host.cpp
  2. 45
      libp2p/Host.h
  3. 187
      libp2p/Network.cpp
  4. 63
      libp2p/Network.h
  5. 6
      libp2p/Session.cpp
  6. 2
      libsolidity/AST.h
  7. 4
      libsolidity/CMakeLists.txt
  8. 60
      libsolidity/CompilerStack.cpp
  9. 20
      libsolidity/CompilerStack.h
  10. 1
      libsolidity/Exceptions.h
  11. 278
      libsolidity/InterfaceHandler.cpp
  12. 110
      libsolidity/InterfaceHandler.h
  13. 4
      libwebthree/WebThree.cpp
  14. 5
      libwebthree/WebThree.h
  15. 4
      solc/main.cpp
  16. 43
      test/solidityJSONInterfaceTest.cpp
  17. 400
      test/solidityNatspecJSON.cpp

483
libp2p/Host.cpp

@ -15,22 +15,11 @@
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file Host.cpp
* @authors:
* Gav Wood <i@gavwood.com>
* Eric Lombrozo <elombrozo@gmail.com> (Windows version of populateAddresses())
* @author Alex Leverington <nessence@gmail.com>
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#include "Host.h"
#include <sys/types.h>
#ifdef _WIN32
// winsock is already included
// #include <winsock.h>
#else
#include <ifaddrs.h>
#endif
#include <set>
#include <chrono>
#include <thread>
@ -43,166 +32,18 @@
#include "Common.h"
#include "Capability.h"
#include "UPnP.h"
#include "Host.h"
using namespace std;
using namespace dev;
using namespace dev::p2p;
std::vector<bi::address> Host::getInterfaceAddresses()
{
std::vector<bi::address> addresses;
#ifdef _WIN32
WSAData wsaData;
if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0)
BOOST_THROW_EXCEPTION(NoNetworking());
char ac[80];
if (gethostname(ac, sizeof(ac)) == SOCKET_ERROR)
{
clog(NetWarn) << "Error " << WSAGetLastError() << " when getting local host name.";
WSACleanup();
BOOST_THROW_EXCEPTION(NoNetworking());
}
struct hostent* phe = gethostbyname(ac);
if (phe == 0)
{
clog(NetWarn) << "Bad host lookup.";
WSACleanup();
BOOST_THROW_EXCEPTION(NoNetworking());
}
for (int i = 0; phe->h_addr_list[i] != 0; ++i)
{
struct in_addr addr;
memcpy(&addr, phe->h_addr_list[i], sizeof(struct in_addr));
char *addrStr = inet_ntoa(addr);
bi::address address(bi::address::from_string(addrStr));
if (!isLocalHostAddress(address))
addresses.push_back(address.to_v4());
}
WSACleanup();
#else
ifaddrs* ifaddr;
if (getifaddrs(&ifaddr) == -1)
BOOST_THROW_EXCEPTION(NoNetworking());
for (auto ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next)
{
if (!ifa->ifa_addr || string(ifa->ifa_name) == "lo0")
continue;
if (ifa->ifa_addr->sa_family == AF_INET)
{
in_addr addr = ((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
boost::asio::ip::address_v4 address(boost::asio::detail::socket_ops::network_to_host_long(addr.s_addr));
if (!isLocalHostAddress(address))
addresses.push_back(address);
}
else if (ifa->ifa_addr->sa_family == AF_INET6)
{
sockaddr_in6* sockaddr = ((struct sockaddr_in6 *)ifa->ifa_addr);
in6_addr addr = sockaddr->sin6_addr;
boost::asio::ip::address_v6::bytes_type bytes;
memcpy(&bytes[0], addr.s6_addr, 16);
boost::asio::ip::address_v6 address(bytes, sockaddr->sin6_scope_id);
if (!isLocalHostAddress(address))
addresses.push_back(address);
}
}
if (ifaddr!=NULL)
freeifaddrs(ifaddr);
#endif
return std::move(addresses);
}
int Host::listen4(bi::tcp::acceptor* _acceptor, unsigned short _listenPort)
{
int retport = -1;
for (unsigned i = 0; i < 2; ++i)
{
// try to connect w/listenPort, else attempt net-allocated port
bi::tcp::endpoint endpoint(bi::tcp::v4(), i ? 0 : _listenPort);
try
{
_acceptor->open(endpoint.protocol());
_acceptor->set_option(ba::socket_base::reuse_address(true));
_acceptor->bind(endpoint);
_acceptor->listen();
retport = _acceptor->local_endpoint().port();
break;
}
catch (...)
{
if (i)
{
// both attempts failed
cwarn << "Couldn't start accepting connections on host. Something very wrong with network?\n" << boost::current_exception_diagnostic_information();
}
// first attempt failed
_acceptor->close();
continue;
}
}
return retport;
}
bi::tcp::endpoint Host::traverseNAT(std::vector<bi::address> const& _ifAddresses, unsigned short _listenPort, bi::address& o_upnpifaddr)
{
asserts(_listenPort != 0);
UPnP* upnp = nullptr;
try
{
upnp = new UPnP;
}
// let m_upnp continue as null - we handle it properly.
catch (NoUPnPDevice) {}
bi::tcp::endpoint upnpep;
if (upnp && upnp->isValid())
{
bi::address paddr;
int extPort = 0;
for (auto const& addr: _ifAddresses)
if (addr.is_v4() && isPrivateAddress(addr) && (extPort = upnp->addRedirect(addr.to_string().c_str(), _listenPort)))
{
paddr = addr;
break;
}
auto eip = upnp->externalIP();
bi::address eipaddr(bi::address::from_string(eip));
if (extPort && eip != string("0.0.0.0") && !isPrivateAddress(eipaddr))
{
clog(NetNote) << "Punched through NAT and mapped local port" << _listenPort << "onto external port" << extPort << ".";
clog(NetNote) << "External addr:" << eip;
o_upnpifaddr = paddr;
upnpep = bi::tcp::endpoint(eipaddr, (unsigned short)extPort);
}
else
clog(NetWarn) << "Couldn't punch through NAT (or no NAT in place).";
if (upnp)
delete upnp;
}
return upnpep;
}
Host::Host(std::string const& _clientVersion, NetworkPreferences const& _n, bool _start):
Worker("p2p", 0),
m_clientVersion(_clientVersion),
m_netPrefs(_n),
m_ifAddresses(getInterfaceAddresses()),
m_ioService(new ba::io_service(2)),
m_acceptor(new bi::tcp::acceptor(*m_ioService)),
m_socket(new bi::tcp::socket(*m_ioService)),
m_ifAddresses(Network::getInterfaceAddresses()),
m_ioService(2),
m_acceptorV4(m_ioService),
m_key(KeyPair::create())
{
for (auto address: m_ifAddresses)
@ -216,7 +57,7 @@ Host::Host(std::string const& _clientVersion, NetworkPreferences const& _n, bool
Host::~Host()
{
quit();
stop();
}
void Host::start()
@ -226,30 +67,78 @@ void Host::start()
void Host::stop()
{
// called to force io_service to kill any remaining tasks it might have -
// such tasks may involve socket reads from Capabilities that maintain references
// to resources we're about to free.
{
// prevent m_run from being set to false at same time as set to true by start()
// Although m_run is set by stop() or start(), it effects m_runTimer so x_runTimer is used instead of a mutex for m_run.
// when m_run == false, run() will cause this::run() to stop() ioservice
Guard l(x_runTimer);
// once m_run is false the scheduler will shutdown network and stopWorking()
// ignore if already stopped/stopping
if (!m_run)
return;
m_run = false;
}
// we know shutdown is complete when m_timer is reset
while (m_timer)
// wait for m_timer to reset (indicating network scheduler has stopped)
while (!!m_timer)
this_thread::sleep_for(chrono::milliseconds(50));
// stop worker thread
stopWorking();
}
void Host::quit()
void Host::doneWorking()
{
// called to force io_service to kill any remaining tasks it might have -
// such tasks may involve socket reads from Capabilities that maintain references
// to resources we're about to free.
if (isWorking())
stop();
m_acceptor.reset();
m_socket.reset();
// reset ioservice (allows manually polling network, below)
m_ioService.reset();
// shutdown acceptor
m_acceptorV4.cancel();
if (m_acceptorV4.is_open())
m_acceptorV4.close();
// There maybe an incoming connection which started but hasn't finished.
// Wait for acceptor to end itself instead of assuming it's complete.
// This helps ensure a peer isn't stopped at the same time it's starting
// and that socket for pending connection is closed.
while (m_accepting)
m_ioService.poll();
// stop capabilities (eth: stops syncing or block/tx broadcast)
for (auto const& h: m_capabilities)
h.second->onStopping();
// disconnect peers
for (unsigned n = 0;; n = 0)
{
{
RecursiveGuard l(x_peers);
for (auto i: m_peers)
if (auto p = i.second.lock())
if (p->isOpen())
{
p->disconnect(ClientQuit);
n++;
}
}
if (!n)
break;
// poll so that peers send out disconnect packets
m_ioService.poll();
}
// stop network (again; helpful to call before subsequent reset())
m_ioService.stop();
// reset network (allows reusing ioservice in future)
m_ioService.reset();
// m_acceptor & m_socket are DANGEROUS now.
// finally, clear out peers (in case they're lingering)
RecursiveGuard l(x_peers);
m_peers.clear();
}
unsigned Host::protocolVersion() const
@ -407,7 +296,7 @@ void Host::determinePublic(string const& _publicAddress, bool _upnp)
if (_upnp)
{
bi::address upnpifaddr;
bi::tcp::endpoint upnpep = traverseNAT(m_ifAddresses, m_listenPort, upnpifaddr);
bi::tcp::endpoint upnpep = Network::traverseNAT(m_ifAddresses, m_listenPort, upnpifaddr);
if (!upnpep.address().is_unspecified() && !upnpifaddr.is_unspecified())
{
if (!m_peerAddresses.count(upnpep.address()))
@ -431,18 +320,18 @@ void Host::determinePublic(string const& _publicAddress, bool _upnp)
m_public = bi::tcp::endpoint(bi::address(), m_listenPort);
}
void Host::ensureAccepting()
void Host::runAcceptor()
{
// return if there's no io-server (quit called) or we're not listening
if (!m_ioService || m_listenPort < 1)
return;
if (!m_accepting)
assert(m_listenPort > 0);
if (m_run && !m_accepting)
{
clog(NetConnect) << "Listening on local port " << m_listenPort << " (public: " << m_public << ")";
m_accepting = true;
m_acceptor->async_accept(*m_socket, [=](boost::system::error_code ec)
m_socket.reset(new bi::tcp::socket(m_ioService));
m_acceptorV4.async_accept(*m_socket, [=](boost::system::error_code ec)
{
bool success = false;
if (!ec)
{
try
@ -452,8 +341,9 @@ void Host::ensureAccepting()
} catch (...){}
bi::address remoteAddress = m_socket->remote_endpoint().address();
// Port defaults to 0 - we let the hello tell us which port the peer listens to
auto p = std::make_shared<Session>(this, std::move(*m_socket), bi::tcp::endpoint(remoteAddress, 0));
auto p = std::make_shared<Session>(this, std::move(*m_socket.release()), bi::tcp::endpoint(remoteAddress, 0));
p->start();
success = true;
}
catch (Exception const& _e)
{
@ -464,9 +354,17 @@ void Host::ensureAccepting()
clog(NetWarn) << "ERROR: " << _e.what();
}
}
if (!success && m_socket->is_open())
{
boost::system::error_code ec;
m_socket->shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
m_socket->close();
}
m_accepting = false;
if (ec.value() < 1)
ensureAccepting();
runAcceptor();
});
}
}
@ -480,17 +378,16 @@ string Host::pocHost()
void Host::connect(std::string const& _addr, unsigned short _port) noexcept
{
// if there's no ioService, it means we've had quit() called - bomb out - we're not allowed in here.
if (!m_ioService)
if (!m_run)
return;
for (int i = 0; i < 2; ++i)
for (auto first: {true, false})
{
try
{
if (i == 0)
if (first)
{
bi::tcp::resolver r(*m_ioService);
bi::tcp::resolver r(m_ioService);
connect(r.resolve({_addr, toString(_port)})->endpoint());
}
else
@ -512,12 +409,11 @@ void Host::connect(std::string const& _addr, unsigned short _port) noexcept
void Host::connect(bi::tcp::endpoint const& _ep)
{
// if there's no ioService, it means we've had quit() called - bomb out - we're not allowed in here.
if (!m_ioService)
if (!m_run)
return;
clog(NetConnect) << "Attempting single-shot connection to " << _ep;
bi::tcp::socket* s = new bi::tcp::socket(*m_ioService);
bi::tcp::socket* s = new bi::tcp::socket(m_ioService);
s->async_connect(_ep, [=](boost::system::error_code const& ec)
{
if (ec)
@ -534,8 +430,7 @@ void Host::connect(bi::tcp::endpoint const& _ep)
void Host::connect(std::shared_ptr<Node> const& _n)
{
// if there's no ioService, it means we've had quit() called - bomb out - we're not allowed in here.
if (!m_ioService)
if (!m_run)
return;
// prevent concurrently connecting to a node; todo: better abstraction
@ -551,7 +446,7 @@ void Host::connect(std::shared_ptr<Node> const& _n)
_n->lastAttempted = std::chrono::system_clock::now();
_n->failedAttempts++;
m_ready -= _n->index;
bi::tcp::socket* s = new bi::tcp::socket(*m_ioService);
bi::tcp::socket* s = new bi::tcp::socket(m_ioService);
s->async_connect(_n->address, [=](boost::system::error_code const& ec)
{
if (ec)
@ -680,8 +575,7 @@ void Host::prunePeers()
PeerInfos Host::peers(bool _updatePing) const
{
// if there's no ioService, it means we've had quit() called - bomb out - we're not allowed in here.
if (!m_ioService)
if (!m_run)
return PeerInfos();
RecursiveGuard l(x_peers);
@ -698,152 +592,95 @@ PeerInfos Host::peers(bool _updatePing) const
return ret;
}
void Host::run(boost::system::error_code const& error)
void Host::run(boost::system::error_code const&)
{
m_lastTick += c_timerInterval;
if (error || !m_ioService)
if (!m_run)
{
// timer died or io service went away, so stop here
// stopping io service allows running manual network operations for shutdown
// and also stops blocking worker thread, allowing worker thread to exit
m_ioService.stop();
// resetting timer signals network that nothing else can be scheduled to run
m_timer.reset();
return;
}
// network running
if (m_run)
m_lastTick += c_timerInterval;
if (m_lastTick >= c_timerInterval * 10)
{
if (m_lastTick >= c_timerInterval * 10)
{
growPeers();
prunePeers();
m_lastTick = 0;
}
if (m_hadNewNodes)
{
for (auto p: m_peers)
if (auto pp = p.second.lock())
pp->serviceNodesRequest();
m_hadNewNodes = false;
}
if (chrono::steady_clock::now() - m_lastPing > chrono::seconds(30)) // ping every 30s.
{
for (auto p: m_peers)
if (auto pp = p.second.lock())
if (chrono::steady_clock::now() - pp->m_lastReceived > chrono::seconds(60))
pp->disconnect(PingTimeout);
pingAll();
}
auto runcb = [this](boost::system::error_code const& error) -> void { run(error); };
m_timer->expires_from_now(boost::posix_time::milliseconds(c_timerInterval));
m_timer->async_wait(runcb);
return;
growPeers();
prunePeers();
m_lastTick = 0;
}
// network stopping
if (!m_run)
if (m_hadNewNodes)
{
// close acceptor
if (m_acceptor->is_open())
{
if (m_accepting)
m_acceptor->cancel();
m_acceptor->close();
m_accepting = false;
}
// stop capabilities (eth: stops syncing or block/tx broadcast)
for (auto const& h: m_capabilities)
h.second->onStopping();
for (auto p: m_peers)
if (auto pp = p.second.lock())
pp->serviceNodesRequest();
// disconnect peers
for (unsigned n = 0;; n = 0)
{
{
RecursiveGuard l(x_peers);
for (auto i: m_peers)
if (auto p = i.second.lock())
if (p->isOpen())
{
p->disconnect(ClientQuit);
n++;
}
}
if (!n)
break;
this_thread::sleep_for(chrono::milliseconds(100));
}
if (m_socket->is_open())
m_socket->close();
// m_run is false, so we're stopping; kill timer
m_lastTick = 0;
// causes parent thread's stop() to continue which calls stopWorking()
m_timer.reset();
// stop ioservice (stops blocking worker thread, allowing thread to join)
if (!!m_ioService)
m_ioService->stop();
return;
m_hadNewNodes = false;
}
if (chrono::steady_clock::now() - m_lastPing > chrono::seconds(30)) // ping every 30s.
{
for (auto p: m_peers)
if (auto pp = p.second.lock())
if (chrono::steady_clock::now() - pp->m_lastReceived > chrono::seconds(60))
pp->disconnect(PingTimeout);
pingAll();
}
auto runcb = [this](boost::system::error_code const& error) -> void { run(error); };
m_timer->expires_from_now(boost::posix_time::milliseconds(c_timerInterval));
m_timer->async_wait(runcb);
}
void Host::startedWorking()
{
if (!m_timer)
asserts(!m_timer);
{
// no timer means this is first run and network must be started
// (run once when host worker thread calls startedWorking())
{
// prevent m_run from being set to true at same time as set to false by stop()
// don't release mutex until m_timer is set so in case stop() is called at same
// time, stop will wait on m_timer and graceful network shutdown.
Guard l(x_runTimer);
// reset io service and create deadline timer
m_timer.reset(new boost::asio::deadline_timer(*m_ioService));
m_run = true;
}
m_ioService->reset();
// try to open acceptor (todo: ipv6)
m_listenPort = listen4(m_acceptor.get(), m_netPrefs.listenPort);
// start capability threads
for (auto const& h: m_capabilities)
h.second->onStarting();
// determine public IP, but only if we're able to listen for connections
// todo: GUI when listen is unavailable in UI
if (m_listenPort)
{
determinePublic(m_netPrefs.publicIP, m_netPrefs.upnp);
ensureAccepting();
}
// if m_public address is valid then add us to node list
// todo: abstract empty() and emplace logic
if (!m_public.address().is_unspecified() && (m_nodes.empty() || m_nodes[m_nodesList[0]]->id != id()))
noteNode(id(), m_public, Origin::Perfect, false);
// prevent m_run from being set to true at same time as set to false by stop()
// don't release mutex until m_timer is set so in case stop() is called at same
// time, stop will wait on m_timer and graceful network shutdown.
Guard l(x_runTimer);
// create deadline timer
m_timer.reset(new boost::asio::deadline_timer(m_ioService));
m_run = true;
}
// try to open acceptor (todo: ipv6)
m_listenPort = Network::listen4(m_acceptorV4, m_netPrefs.listenPort);
// start capability threads
for (auto const& h: m_capabilities)
h.second->onStarting();
// determine public IP, but only if we're able to listen for connections
// todo: GUI when listen is unavailable in UI
if (m_listenPort)
{
determinePublic(m_netPrefs.publicIP, m_netPrefs.upnp);
clog(NetNote) << "Id:" << id().abridged();
if (m_listenPort > 0)
runAcceptor();
}
// if m_public address is valid then add us to node list
// todo: abstract empty() and emplace logic
if (!m_public.address().is_unspecified() && (m_nodes.empty() || m_nodes[m_nodesList[0]]->id != id()))
noteNode(id(), m_public, Origin::Perfect, false);
clog(NetNote) << "Id:" << id().abridged();
run(boost::system::error_code());
}
void Host::doWork()
{
// no ioService means we've had quit() called - bomb out - we're not allowed in here.
if (asserts(!!m_ioService))
return;
m_ioService->run();
if (m_run)
m_ioService.run();
}
void Host::pingAll()

45
libp2p/Host.h

@ -14,7 +14,8 @@
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 EthereumHost.h
/** @file Host.h
* @author Alex Leverington <nessence@gmail.com>
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
@ -34,9 +35,10 @@
#include <libdevcore/RangeMask.h>
#include <libdevcrypto/Common.h>
#include "HostCapability.h"
#include "Network.h"
#include "Common.h"
namespace ba = boost::asio;
namespace bi = boost::asio::ip;
namespace bi = ba::ip;
namespace dev
{
@ -101,16 +103,6 @@ struct Node
using Nodes = std::vector<Node>;
struct NetworkPreferences
{
NetworkPreferences(unsigned short p = 30303, std::string i = std::string(), bool u = true, bool l = false): listenPort(p), publicIP(i), upnp(u), localNetworking(l) {}
unsigned short listenPort = 30303;
std::string publicIP;
bool upnp = true;
bool localNetworking = false;
};
/**
* @brief The Host class
* Capabilities should be registered prior to startNetwork, since m_capabilities is not thread-safe.
@ -120,17 +112,6 @@ class Host: public Worker
friend class Session;
friend class HostCapabilityFace;
friend struct Node;
/// Static network interface methods
public:
/// @returns public and private interface addresses
static std::vector<bi::address> getInterfaceAddresses();
/// Try to bind and listen on _listenPort, else attempt net-allocated port.
static int listen4(bi::tcp::acceptor* _acceptor, unsigned short _listenPort);
/// Return public endpoint of upnp interface. If successful o_upnpifaddr will be a private interface address and endpoint will contain public address and port.
static bi::tcp::endpoint traverseNAT(std::vector<bi::address> const& _ifAddresses, unsigned short _listenPort, bi::address& o_upnpifaddr);
public:
/// Start server, listening for connections on the given port.
@ -187,14 +168,12 @@ public:
void start();
/// Stop network. @threadsafe
/// Resets acceptor, socket, and IO service. Called by deallocator.
void stop();
/// @returns if network is running.
bool isStarted() const { return m_run; }
/// Reset acceptor, socket, and IO service. Called by deallocator. Maybe called by implementation when ordered deallocation is required.
void quit();
NodeId id() const { return m_key.pub(); }
void registerPeer(std::shared_ptr<Session> _s, CapDescs const& _caps);
@ -205,7 +184,8 @@ private:
/// Populate m_peerAddresses with available public addresses.
void determinePublic(std::string const& _publicAddress, bool _upnp);
void ensureAccepting();
/// Called only from startedWorking().
void runAcceptor();
void seal(bytes& _b);
@ -214,11 +194,14 @@ private:
/// Called by Worker. Not thread-safe; to be called only by worker.
virtual void startedWorking();
/// Called by startedWorking. Not thread-safe; to be called only be worker callback.
/// Called by startedWorking. Not thread-safe; to be called only be Worker.
void run(boost::system::error_code const& error); ///< Run network. Called serially via ASIO deadline timer. Manages connection state transitions.
/// Run network
/// Run network. Not thread-safe; to be called only by worker.
virtual void doWork();
/// Shutdown network. Not thread-safe; to be called only by worker.
virtual void doneWorking();
std::shared_ptr<Node> noteNode(NodeId _id, bi::tcp::endpoint _a, Origin _o, bool _ready, NodeId _oldId = NodeId());
Nodes potentialPeers(RangeMask<unsigned> const& _known);
@ -235,8 +218,8 @@ private:
int m_listenPort = -1; ///< What port are we listening on. -1 means binding failed or acceptor hasn't been initialized.
std::unique_ptr<ba::io_service> m_ioService; ///< IOService for network stuff.
std::unique_ptr<bi::tcp::acceptor> m_acceptor; ///< Listening acceptor.
ba::io_service m_ioService; ///< IOService for network stuff.
bi::tcp::acceptor m_acceptorV4; ///< Listening acceptor.
std::unique_ptr<bi::tcp::socket> m_socket; ///< Listening socket.
std::unique_ptr<boost::asio::deadline_timer> m_timer; ///< Timer which, when network is running, calls scheduler() every c_timerInterval ms.

187
libp2p/Network.cpp

@ -0,0 +1,187 @@
/*
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 Network.cpp
* @author Alex Leverington <nessence@gmail.com>
* @author Gav Wood <i@gavwood.com>
* @author Eric Lombrozo <elombrozo@gmail.com> (Windows version of getInterfaceAddresses())
* @date 2014
*/
#include <sys/types.h>
#ifndef _WIN32
#include <ifaddrs.h>
#endif
#include <boost/algorithm/string.hpp>
#include <libdevcore/Common.h>
#include <libdevcore/CommonIO.h>
#include <libethcore/Exceptions.h>
#include "Common.h"
#include "UPnP.h"
#include "Network.h"
using namespace std;
using namespace dev;
using namespace dev::p2p;
std::vector<bi::address> Network::getInterfaceAddresses()
{
std::vector<bi::address> addresses;
#ifdef _WIN32
WSAData wsaData;
if (WSAStartup(MAKEWORD(1, 1), &wsaData) != 0)
BOOST_THROW_EXCEPTION(NoNetworking());
char ac[80];
if (gethostname(ac, sizeof(ac)) == SOCKET_ERROR)
{
clog(NetWarn) << "Error " << WSAGetLastError() << " when getting local host name.";
WSACleanup();
BOOST_THROW_EXCEPTION(NoNetworking());
}
struct hostent* phe = gethostbyname(ac);
if (phe == 0)
{
clog(NetWarn) << "Bad host lookup.";
WSACleanup();
BOOST_THROW_EXCEPTION(NoNetworking());
}
for (int i = 0; phe->h_addr_list[i] != 0; ++i)
{
struct in_addr addr;
memcpy(&addr, phe->h_addr_list[i], sizeof(struct in_addr));
char *addrStr = inet_ntoa(addr);
bi::address address(bi::address::from_string(addrStr));
if (!isLocalHostAddress(address))
addresses.push_back(address.to_v4());
}
WSACleanup();
#else
ifaddrs* ifaddr;
if (getifaddrs(&ifaddr) == -1)
BOOST_THROW_EXCEPTION(NoNetworking());
for (auto ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next)
{
if (!ifa->ifa_addr || string(ifa->ifa_name) == "lo0")
continue;
if (ifa->ifa_addr->sa_family == AF_INET)
{
in_addr addr = ((struct sockaddr_in *)ifa->ifa_addr)->sin_addr;
boost::asio::ip::address_v4 address(boost::asio::detail::socket_ops::network_to_host_long(addr.s_addr));
if (!isLocalHostAddress(address))
addresses.push_back(address);
}
else if (ifa->ifa_addr->sa_family == AF_INET6)
{
sockaddr_in6* sockaddr = ((struct sockaddr_in6 *)ifa->ifa_addr);
in6_addr addr = sockaddr->sin6_addr;
boost::asio::ip::address_v6::bytes_type bytes;
memcpy(&bytes[0], addr.s6_addr, 16);
boost::asio::ip::address_v6 address(bytes, sockaddr->sin6_scope_id);
if (!isLocalHostAddress(address))
addresses.push_back(address);
}
}
if (ifaddr!=NULL)
freeifaddrs(ifaddr);
#endif
return std::move(addresses);
}
int Network::listen4(bi::tcp::acceptor& _acceptor, unsigned short _listenPort)
{
int retport = -1;
for (unsigned i = 0; i < 2; ++i)
{
// try to connect w/listenPort, else attempt net-allocated port
bi::tcp::endpoint endpoint(bi::tcp::v4(), i ? 0 : _listenPort);
try
{
_acceptor.open(endpoint.protocol());
_acceptor.set_option(ba::socket_base::reuse_address(true));
_acceptor.bind(endpoint);
_acceptor.listen();
retport = _acceptor.local_endpoint().port();
break;
}
catch (...)
{
if (i)
{
// both attempts failed
cwarn << "Couldn't start accepting connections on host. Something very wrong with network?\n" << boost::current_exception_diagnostic_information();
}
// first attempt failed
_acceptor.close();
continue;
}
}
return retport;
}
bi::tcp::endpoint Network::traverseNAT(std::vector<bi::address> const& _ifAddresses, unsigned short _listenPort, bi::address& o_upnpifaddr)
{
asserts(_listenPort != 0);
UPnP* upnp = nullptr;
try
{
upnp = new UPnP;
}
// let m_upnp continue as null - we handle it properly.
catch (NoUPnPDevice) {}
bi::tcp::endpoint upnpep;
if (upnp && upnp->isValid())
{
bi::address paddr;
int extPort = 0;
for (auto const& addr: _ifAddresses)
if (addr.is_v4() && isPrivateAddress(addr) && (extPort = upnp->addRedirect(addr.to_string().c_str(), _listenPort)))
{
paddr = addr;
break;
}
auto eip = upnp->externalIP();
bi::address eipaddr(bi::address::from_string(eip));
if (extPort && eip != string("0.0.0.0") && !isPrivateAddress(eipaddr))
{
clog(NetNote) << "Punched through NAT and mapped local port" << _listenPort << "onto external port" << extPort << ".";
clog(NetNote) << "External addr:" << eip;
o_upnpifaddr = paddr;
upnpep = bi::tcp::endpoint(eipaddr, (unsigned short)extPort);
}
else
clog(NetWarn) << "Couldn't punch through NAT (or no NAT in place).";
if (upnp)
delete upnp;
}
return upnpep;
}

63
libp2p/Network.h

@ -0,0 +1,63 @@
/*
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 Network.h
* @author Alex Leverington <nessence@gmail.com>
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <vector>
namespace ba = boost::asio;
namespace bi = ba::ip;
namespace dev
{
namespace p2p
{
struct NetworkPreferences
{
NetworkPreferences(unsigned short p = 30303, std::string i = std::string(), bool u = true, bool l = false): listenPort(p), publicIP(i), upnp(u), localNetworking(l) {}
unsigned short listenPort = 30303;
std::string publicIP;
bool upnp = true;
bool localNetworking = false;
};
/**
* @brief Network Class
* Static network operations and interface(s).
*/
class Network
{
public:
/// @returns public and private interface addresses
static std::vector<bi::address> getInterfaceAddresses();
/// Try to bind and listen on _listenPort, else attempt net-allocated port.
static int listen4(bi::tcp::acceptor& _acceptor, unsigned short _listenPort);
/// Return public endpoint of upnp interface. If successful o_upnpifaddr will be a private interface address and endpoint will contain public address and port.
static bi::tcp::endpoint traverseNAT(std::vector<bi::address> const& _ifAddresses, unsigned short _listenPort, bi::address& o_upnpifaddr);
};
}
}

6
libp2p/Session.cpp

@ -75,7 +75,11 @@ Session::~Session()
try
{
if (m_socket.is_open())
{
boost::system::error_code ec;
m_socket.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
m_socket.close();
}
}
catch (...){}
}
@ -479,6 +483,8 @@ void Session::drop(DisconnectReason _reason)
try
{
clogS(NetConnect) << "Closing " << m_socket.remote_endpoint() << "(" << reasonOf(_reason) << ")";
boost::system::error_code ec;
m_socket.shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
m_socket.close();
}
catch (...) {}

2
libsolidity/AST.h

@ -204,7 +204,7 @@ public:
Block& getBody() { return *m_body; }
/// @return A shared pointer of an ASTString.
/// Can contain a nullptr in which case indicates absence of documentation
ASTPointer<ASTString> const& getDocumentation() { return m_documentation; }
ASTPointer<ASTString> const& getDocumentation() const { return m_documentation; }
void addLocalVariable(VariableDeclaration const& _localVariable) { m_localVariables.push_back(&_localVariable); }
std::vector<VariableDeclaration const*> const& getLocalVariables() const { return m_localVariables; }

4
libsolidity/CMakeLists.txt

@ -16,6 +16,10 @@ endif()
include_directories(..)
target_link_libraries(${EXECUTABLE} evmcore devcore)
# TODO: Temporary until PR 532 https://github.com/ethereum/cpp-ethereum/pull/532
# gets accepted. Then we can simply add jsoncpp as a dependency and not the
# whole of JSONRPC as we are doing right here
target_link_libraries(${EXECUTABLE} ${JSONRPC_LS})
install( TARGETS ${EXECUTABLE} ARCHIVE DESTINATION lib LIBRARY DESTINATION lib )
install( FILES ${HEADERS} DESTINATION include/${EXECUTABLE} )

60
libsolidity/CompilerStack.cpp

@ -27,6 +27,7 @@
#include <libsolidity/NameAndTypeResolver.h>
#include <libsolidity/Compiler.h>
#include <libsolidity/CompilerStack.h>
#include <libsolidity/InterfaceHandler.h>
using namespace std;
@ -35,6 +36,8 @@ namespace dev
namespace solidity
{
CompilerStack::CompilerStack(): m_interfaceHandler(make_shared<InterfaceHandler>()) {}
void CompilerStack::setSource(string const& _sourceCode)
{
reset();
@ -81,48 +84,31 @@ void CompilerStack::streamAssembly(ostream& _outStream)
m_compiler->streamAssembly(_outStream);
}
string const& CompilerStack::getInterface()
std::string const& CompilerStack::getJsonDocumentation(DocumentationType _type)
{
if (!m_parseSuccessful)
BOOST_THROW_EXCEPTION(CompilerError() << errinfo_comment("Parsing was not successful."));
if (m_interface.empty())
auto createDocIfNotThere = [this, _type](std::unique_ptr<string>& _doc)
{
stringstream interface;
interface << '[';
vector<FunctionDefinition const*> exportedFunctions = m_contractASTNode->getInterfaceFunctions();
unsigned functionsCount = exportedFunctions.size();
for (FunctionDefinition const* f: exportedFunctions)
{
auto streamVariables = [&](vector<ASTPointer<VariableDeclaration>> const& _vars)
{
unsigned varCount = _vars.size();
for (ASTPointer<VariableDeclaration> const& var: _vars)
{
interface << "{"
<< "\"name\":" << escaped(var->getName(), false) << ","
<< "\"type\":" << escaped(var->getType()->toString(), false)
<< "}";
if (--varCount > 0)
interface << ",";
}
};
interface << '{'
<< "\"name\":" << escaped(f->getName(), false) << ","
<< "\"inputs\":[";
streamVariables(f->getParameters());
interface << "],"
<< "\"outputs\":[";
streamVariables(f->getReturnParameters());
interface << "]"
<< "}";
if (--functionsCount > 0)
interface << ",";
}
interface << ']';
m_interface = interface.str();
if (!_doc)
_doc = m_interfaceHandler->getDocumentation(m_contractASTNode, _type);
};
switch (_type)
{
case DocumentationType::NATSPEC_USER:
createDocIfNotThere(m_userDocumentation);
return *m_userDocumentation;
case DocumentationType::NATSPEC_DEV:
createDocIfNotThere(m_devDocumentation);
return *m_devDocumentation;
case DocumentationType::ABI_INTERFACE:
createDocIfNotThere(m_interface);
return *m_interface;
}
return m_interface;
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Illegal documentation type."));
}
bytes CompilerStack::staticCompile(std::string const& _sourceCode, bool _optimize)

20
libsolidity/CompilerStack.h

@ -35,6 +35,14 @@ class Scanner;
class ContractDefinition;
class Compiler;
class GlobalContext;
class InterfaceHandler;
enum class DocumentationType: uint8_t
{
NATSPEC_USER = 1,
NATSPEC_DEV,
ABI_INTERFACE
};
/**
* Easy to use and self-contained Solidity compiler with as few header dependencies as possible.
@ -44,7 +52,7 @@ class GlobalContext;
class CompilerStack
{
public:
CompilerStack() {}
CompilerStack();
void reset() { *this = CompilerStack(); }
void setSource(std::string const& _sourceCode);
void parse();
@ -62,6 +70,11 @@ public:
/// Returns a string representing the contract interface in JSON.
/// Prerequisite: Successful call to parse or compile.
std::string const& getInterface();
/// Returns a string representing the contract's documentation in JSON.
/// Prerequisite: Successful call to parse or compile.
/// @param type The type of the documentation to get.
/// Can be one of 3 types defined at @c documentation_type
std::string const& getJsonDocumentation(DocumentationType type);
/// Returns the previously used scanner, useful for counting lines during error reporting.
Scanner const& getScanner() const { return *m_scanner; }
@ -76,8 +89,11 @@ private:
std::shared_ptr<GlobalContext> m_globalContext;
std::shared_ptr<ContractDefinition> m_contractASTNode;
bool m_parseSuccessful;
std::string m_interface;
std::unique_ptr<std::string> m_interface;
std::unique_ptr<std::string> m_userDocumentation;
std::unique_ptr<std::string> m_devDocumentation;
std::shared_ptr<Compiler> m_compiler;
std::shared_ptr<InterfaceHandler> m_interfaceHandler;
bytes m_bytecode;
};

1
libsolidity/Exceptions.h

@ -36,6 +36,7 @@ struct TypeError: virtual Exception {};
struct DeclarationError: virtual Exception {};
struct CompilerError: virtual Exception {};
struct InternalCompilerError: virtual Exception {};
struct DocstringParsingError: virtual Exception {};
typedef boost::error_info<struct tag_sourcePosition, int> errinfo_sourcePosition;
typedef boost::error_info<struct tag_sourceLocation, Location> errinfo_sourceLocation;

278
libsolidity/InterfaceHandler.cpp

@ -0,0 +1,278 @@
#include <libsolidity/InterfaceHandler.h>
#include <libsolidity/AST.h>
#include <libsolidity/CompilerStack.h>
namespace dev
{
namespace solidity
{
/* -- public -- */
InterfaceHandler::InterfaceHandler()
{
m_lastTag = DocTagType::NONE;
}
std::unique_ptr<std::string> InterfaceHandler::getDocumentation(std::shared_ptr<ContractDefinition> _contractDef,
DocumentationType _type)
{
switch(_type)
{
case DocumentationType::NATSPEC_USER:
return getUserDocumentation(_contractDef);
case DocumentationType::NATSPEC_DEV:
return getDevDocumentation(_contractDef);
case DocumentationType::ABI_INTERFACE:
return getABIInterface(_contractDef);
}
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Unknown documentation type"));
return nullptr;
}
std::unique_ptr<std::string> InterfaceHandler::getABIInterface(std::shared_ptr<ContractDefinition> _contractDef)
{
Json::Value methods(Json::arrayValue);
for (FunctionDefinition const* f: _contractDef->getInterfaceFunctions())
{
Json::Value method;
Json::Value inputs(Json::arrayValue);
Json::Value outputs(Json::arrayValue);
auto populateParameters = [](std::vector<ASTPointer<VariableDeclaration>> const& _vars)
{
Json::Value params(Json::arrayValue);
for (ASTPointer<VariableDeclaration> const& var: _vars)
{
Json::Value input;
input["name"] = var->getName();
input["type"] = var->getType()->toString();
params.append(input);
}
return params;
};
method["name"] = f->getName();
method["inputs"] = populateParameters(f->getParameters());
method["outputs"] = populateParameters(f->getReturnParameters());
methods.append(method);
}
return std::unique_ptr<std::string>(new std::string(m_writer.write(methods)));
}
std::unique_ptr<std::string> InterfaceHandler::getUserDocumentation(std::shared_ptr<ContractDefinition> _contractDef)
{
Json::Value doc;
Json::Value methods(Json::objectValue);
for (FunctionDefinition const* f: _contractDef->getInterfaceFunctions())
{
Json::Value user;
auto strPtr = f->getDocumentation();
if (strPtr)
{
resetUser();
parseDocString(*strPtr);
if (!m_notice.empty())
{// since @notice is the only user tag if missing function should not appear
user["notice"] = Json::Value(m_notice);
methods[f->getName()] = user;
}
}
}
doc["methods"] = methods;
return std::unique_ptr<std::string>(new std::string(m_writer.write(doc)));
}
std::unique_ptr<std::string> InterfaceHandler::getDevDocumentation(std::shared_ptr<ContractDefinition> _contractDef)
{
// LTODO: Somewhere in this function warnings for mismatch of param names
// should be thrown
Json::Value doc;
Json::Value methods(Json::objectValue);
for (FunctionDefinition const* f: _contractDef->getInterfaceFunctions())
{
Json::Value method;
auto strPtr = f->getDocumentation();
if (strPtr)
{
resetDev();
parseDocString(*strPtr);
if (!m_dev.empty())
method["details"] = Json::Value(m_dev);
Json::Value params(Json::objectValue);
for (auto const& pair: m_params)
params[pair.first] = pair.second;
if (!m_params.empty())
method["params"] = params;
if (!m_return.empty())
method["return"] = m_return;
if (!method.empty()) // add the function, only if we have any documentation to add
methods[f->getName()] = method;
}
}
doc["methods"] = methods;
return std::unique_ptr<std::string>(new std::string(m_writer.write(doc)));
}
/* -- private -- */
void InterfaceHandler::resetUser()
{
m_notice.clear();
}
void InterfaceHandler::resetDev()
{
m_dev.clear();
m_return.clear();
m_params.clear();
}
static inline std::string::const_iterator skipLineOrEOS(std::string::const_iterator _nlPos,
std::string::const_iterator _end)
{
return (_nlPos == _end) ? _end : ++_nlPos;
}
std::string::const_iterator InterfaceHandler::parseDocTagLine(std::string::const_iterator _pos,
std::string::const_iterator _end,
std::string& _tagString,
DocTagType _tagType)
{
auto nlPos = std::find(_pos, _end, '\n');
std::copy(_pos, nlPos, back_inserter(_tagString));
m_lastTag = _tagType;
return skipLineOrEOS(nlPos, _end);
}
std::string::const_iterator InterfaceHandler::parseDocTagParam(std::string::const_iterator _pos,
std::string::const_iterator _end)
{
// find param name
auto currPos = std::find(_pos, _end, ' ');
if (currPos == _end)
BOOST_THROW_EXCEPTION(DocstringParsingError() << errinfo_comment("End of param name not found" + std::string(_pos, _end)));
auto paramName = std::string(_pos, currPos);
currPos += 1;
auto nlPos = std::find(currPos, _end, '\n');
auto paramDesc = std::string(currPos, nlPos);
m_params.push_back(std::make_pair(paramName, paramDesc));
m_lastTag = DocTagType::PARAM;
return skipLineOrEOS(nlPos, _end);
}
std::string::const_iterator InterfaceHandler::appendDocTagParam(std::string::const_iterator _pos,
std::string::const_iterator _end)
{
// Should never be called with an empty vector
if (asserts(!m_params.empty()))
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Internal: Tried to append to empty parameter"));
auto pair = m_params.back();
pair.second += " ";
auto nlPos = std::find(_pos, _end, '\n');
std::copy(_pos, nlPos, back_inserter(pair.second));
m_params.at(m_params.size() - 1) = pair;
return skipLineOrEOS(nlPos, _end);
}
std::string::const_iterator InterfaceHandler::parseDocTag(std::string::const_iterator _pos,
std::string::const_iterator _end,
std::string const& _tag)
{
// LTODO: need to check for @(start of a tag) between here and the end of line
// for all cases
if (m_lastTag == DocTagType::NONE || _tag != "")
{
if (_tag == "dev")
return parseDocTagLine(_pos, _end, m_dev, DocTagType::DEV);
else if (_tag == "notice")
return parseDocTagLine(_pos, _end, m_notice, DocTagType::NOTICE);
else if (_tag == "return")
return parseDocTagLine(_pos, _end, m_return, DocTagType::RETURN);
else if (_tag == "param")
return parseDocTagParam(_pos, _end);
else
{
// LTODO: Unknown tag, throw some form of warning and not just an exception
BOOST_THROW_EXCEPTION(DocstringParsingError() << errinfo_comment("Unknown tag " + _tag + " encountered"));
}
}
else
return appendDocTag(_pos, _end);
}
std::string::const_iterator InterfaceHandler::appendDocTag(std::string::const_iterator _pos,
std::string::const_iterator _end)
{
switch (m_lastTag)
{
case DocTagType::DEV:
m_dev += " ";
return parseDocTagLine(_pos, _end, m_dev, DocTagType::DEV);
case DocTagType::NOTICE:
m_notice += " ";
return parseDocTagLine(_pos, _end, m_notice, DocTagType::NOTICE);
case DocTagType::RETURN:
m_return += " ";
return parseDocTagLine(_pos, _end, m_return, DocTagType::RETURN);
case DocTagType::PARAM:
return appendDocTagParam(_pos, _end);
default:
BOOST_THROW_EXCEPTION(InternalCompilerError() << errinfo_comment("Internal: Illegal documentation tag type"));
break;
}
}
static inline std::string::const_iterator getFirstSpaceOrNl(std::string::const_iterator _pos,
std::string::const_iterator _end)
{
auto spacePos = std::find(_pos, _end, ' ');
auto nlPos = std::find(_pos, _end, '\n');
return (spacePos < nlPos) ? spacePos : nlPos;
}
void InterfaceHandler::parseDocString(std::string const& _string)
{
auto currPos = _string.begin();
auto end = _string.end();
while (currPos != end)
{
auto tagPos = std::find(currPos, end, '@');
auto nlPos = std::find(currPos, end, '\n');
if (tagPos != end && tagPos < nlPos)
{
// we found a tag
auto tagNameEndPos = getFirstSpaceOrNl(tagPos, end);
if (tagNameEndPos == end)
BOOST_THROW_EXCEPTION(DocstringParsingError() <<
errinfo_comment("End of tag " + std::string(tagPos, tagNameEndPos) + "not found"));
currPos = parseDocTag(tagNameEndPos + 1, end, std::string(tagPos + 1, tagNameEndPos));
}
else if (m_lastTag != DocTagType::NONE) // continuation of the previous tag
currPos = appendDocTag(currPos + 1, end);
else if (currPos != end) // skip the line if a newline was found
currPos = nlPos + 1;
}
}
} //solidity NS
} // dev NS

110
libsolidity/InterfaceHandler.h

@ -0,0 +1,110 @@
/*
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/>.
*/
/**
* @author Lefteris <lefteris@ethdev.com>
* @date 2014
* Takes the parsed AST and produces the Natspec
* documentation and the ABI interface
* https://github.com/ethereum/wiki/wiki/Ethereum-Natural-Specification-Format
*
* Can generally deal with JSON files
*/
#pragma once
#include <string>
#include <memory>
#include <jsonrpc/json/json.h>
namespace dev
{
namespace solidity
{
// Forward declarations
class ContractDefinition;
enum class DocumentationType: uint8_t;
enum class DocTagType: uint8_t
{
NONE = 0,
DEV,
NOTICE,
PARAM,
RETURN
};
class InterfaceHandler
{
public:
InterfaceHandler();
/// Get the given type of documentation
/// @param _contractDef The contract definition
/// @param _type The type of the documentation. Can be one of the
/// types provided by @c DocumentationType
/// @return A unique pointer contained string with the json
/// representation of provided type
std::unique_ptr<std::string> getDocumentation(std::shared_ptr<ContractDefinition> _contractDef,
DocumentationType _type);
/// Get the ABI Interface of the contract
/// @param _contractDef The contract definition
/// @return A unique pointer contained string with the json
/// representation of the contract's ABI Interface
std::unique_ptr<std::string> getABIInterface(std::shared_ptr<ContractDefinition> _contractDef);
/// Get the User documentation of the contract
/// @param _contractDef The contract definition
/// @return A unique pointer contained string with the json
/// representation of the contract's user documentation
std::unique_ptr<std::string> getUserDocumentation(std::shared_ptr<ContractDefinition> _contractDef);
/// Get the Developer's documentation of the contract
/// @param _contractDef The contract definition
/// @return A unique pointer contained string with the json
/// representation of the contract's developer documentation
std::unique_ptr<std::string> getDevDocumentation(std::shared_ptr<ContractDefinition> _contractDef);
private:
void resetUser();
void resetDev();
std::string::const_iterator parseDocTagLine(std::string::const_iterator _pos,
std::string::const_iterator _end,
std::string& _tagString,
DocTagType _tagType);
std::string::const_iterator parseDocTagParam(std::string::const_iterator _pos,
std::string::const_iterator _end);
std::string::const_iterator appendDocTagParam(std::string::const_iterator _pos,
std::string::const_iterator _end);
void parseDocString(std::string const& _string);
std::string::const_iterator appendDocTag(std::string::const_iterator _pos,
std::string::const_iterator _end);
std::string::const_iterator parseDocTag(std::string::const_iterator _pos,
std::string::const_iterator _end,
std::string const& _tag);
Json::StyledWriter m_writer;
// internal state
DocTagType m_lastTag;
std::string m_notice;
std::string m_dev;
std::string m_return;
std::vector<std::pair<std::string, std::string>> m_params;
};
} //solidity NS
} // dev NS

4
libwebthree/WebThree.cpp

@ -57,11 +57,11 @@ WebThreeDirect::~WebThreeDirect()
// eth::Client (owned by us via a unique_ptr) uses eth::EthereumHost (via a weak_ptr).
// Really need to work out a clean way of organising ownership and guaranteeing startup/shutdown is perfect.
// Have to call quit here to get the Host to kill its io_service otherwise we end up with left-over reads,
// Have to call stop here to get the Host to kill its io_service otherwise we end up with left-over reads,
// still referencing Sessions getting deleted *after* m_ethereum is reset, causing bad things to happen, since
// the guarantee is that m_ethereum is only reset *after* all sessions have ended (sessions are allowed to
// use bits of data owned by m_ethereum).
m_net.quit();
m_net.stop();
m_ethereum.reset();
}

5
libwebthree/WebThree.h

@ -14,7 +14,7 @@
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 Client.h
/** @file WebThree.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
@ -92,9 +92,6 @@ public:
/// Connect to a particular peer.
void connect(std::string const& _seedHost, unsigned short _port = 30303);
/// Is the network subsystem up?
bool haveNetwork() { return peerCount() != 0; }
/// Save peers
dev::bytes saveNodes();

4
solc/main.cpp

@ -135,7 +135,9 @@ int main(int argc, char** argv)
cout << "Opcodes:" << endl;
cout << eth::disassemble(compiler.getBytecode()) << endl;
cout << "Binary: " << toHex(compiler.getBytecode()) << endl;
cout << "Interface specification: " << compiler.getInterface() << endl;
cout << "Interface specification: " << compiler.getJsonDocumentation(DocumentationType::ABI_INTERFACE) << endl;
cout << "Natspec user documentation: " << compiler.getJsonDocumentation(DocumentationType::NATSPEC_USER) << endl;
cout << "Natspec developer documentation: " << compiler.getJsonDocumentation(DocumentationType::NATSPEC_DEV) << endl;
return 0;
}

43
test/solidityJSONInterfaceTest.cpp

@ -23,6 +23,7 @@
#include <boost/test/unit_test.hpp>
#include <libsolidity/CompilerStack.h>
#include <jsonrpc/json/json.h>
#include <libdevcore/Exceptions.h>
namespace dev
{
@ -34,23 +35,37 @@ namespace test
class InterfaceChecker
{
public:
bool checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
void checkInterface(std::string const& _code, std::string const& _expectedInterfaceString)
{
m_compilerStack.parse(_code);
std::string generatedInterfaceString = m_compilerStack.getInterface();
try
{
m_compilerStack.parse(_code);
}
catch (const std::exception& e)
{
std::string const* extra = boost::get_error_info<errinfo_comment>(e);
std::string msg = std::string("Parsing contract failed with: ") +
e.what() + std::string("\n");
if (extra)
msg += *extra;
BOOST_FAIL(msg);
}
std::string generatedInterfaceString = m_compilerStack.getJsonDocumentation(DocumentationType::ABI_INTERFACE);
Json::Value generatedInterface;
m_reader.parse(generatedInterfaceString, generatedInterface);
Json::Value expectedInterface;
m_reader.parse(_expectedInterfaceString, expectedInterface);
return expectedInterface == generatedInterface;
BOOST_CHECK_MESSAGE(expectedInterface == generatedInterface,
"Expected " << _expectedInterfaceString <<
"\n but got:\n" << generatedInterfaceString);
}
private:
CompilerStack m_compilerStack;
Json::Reader m_reader;
};
BOOST_FIXTURE_TEST_SUITE(SolidityCompilerJSONInterfaceOutput, InterfaceChecker)
BOOST_FIXTURE_TEST_SUITE(SolidityABIJSON, InterfaceChecker)
BOOST_AUTO_TEST_CASE(basic_test)
{
@ -76,7 +91,7 @@ BOOST_AUTO_TEST_CASE(basic_test)
}
])";
BOOST_CHECK(checkInterface(sourceCode, interface));
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(empty_contract)
@ -86,7 +101,7 @@ BOOST_AUTO_TEST_CASE(empty_contract)
char const* interface = "[]";
BOOST_CHECK(checkInterface(sourceCode, interface));
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(multiple_methods)
@ -95,7 +110,7 @@ BOOST_AUTO_TEST_CASE(multiple_methods)
" function f(uint a) returns(uint d) { return a * 7; }\n"
" function g(uint b) returns(uint e) { return b * 8; }\n"
"}\n";
char const* interface = R"([
{
"name": "f",
@ -129,7 +144,7 @@ BOOST_AUTO_TEST_CASE(multiple_methods)
}
])";
BOOST_CHECK(checkInterface(sourceCode, interface));
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(multiple_params)
@ -160,7 +175,7 @@ BOOST_AUTO_TEST_CASE(multiple_params)
}
])";
BOOST_CHECK(checkInterface(sourceCode, interface));
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_CASE(multiple_methods_order)
@ -170,7 +185,7 @@ BOOST_AUTO_TEST_CASE(multiple_methods_order)
" function f(uint a) returns(uint d) { return a * 7; }\n"
" function c(uint b) returns(uint e) { return b * 8; }\n"
"}\n";
char const* interface = R"([
{
"name": "c",
@ -203,8 +218,8 @@ BOOST_AUTO_TEST_CASE(multiple_methods_order)
]
}
])";
BOOST_CHECK(checkInterface(sourceCode, interface));
checkInterface(sourceCode, interface);
}
BOOST_AUTO_TEST_SUITE_END()

400
test/solidityNatspecJSON.cpp

@ -0,0 +1,400 @@
/*
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/>.
*/
/**
* @author Lefteris Karapetsas <lefteris@ethdev.com>
* @date 2014
* Unit tests for the solidity compiler JSON Interface output.
*/
#include <boost/test/unit_test.hpp>
#include <libsolidity/CompilerStack.h>
#include <jsonrpc/json/json.h>
#include <libdevcore/Exceptions.h>
namespace dev
{
namespace solidity
{
namespace test
{
class DocumentationChecker
{
public:
void checkNatspec(std::string const& _code,
std::string const& _expectedDocumentationString,
bool _userDocumentation)
{
std::string generatedDocumentationString;
try
{
m_compilerStack.parse(_code);
}
catch (const std::exception& e)
{
std::string const* extra = boost::get_error_info<errinfo_comment>(e);
std::string msg = std::string("Parsing contract failed with: ") +
e.what() + std::string("\n");
if (extra)
msg += *extra;
BOOST_FAIL(msg);
}
if (_userDocumentation)
generatedDocumentationString = m_compilerStack.getJsonDocumentation(DocumentationType::NATSPEC_USER);
else
generatedDocumentationString = m_compilerStack.getJsonDocumentation(DocumentationType::NATSPEC_DEV);
Json::Value generatedDocumentation;
m_reader.parse(generatedDocumentationString, generatedDocumentation);
Json::Value expectedDocumentation;
m_reader.parse(_expectedDocumentationString, expectedDocumentation);
BOOST_CHECK_MESSAGE(expectedDocumentation == generatedDocumentation,
"Expected " << _expectedDocumentationString <<
"\n but got:\n" << generatedDocumentationString);
}
private:
CompilerStack m_compilerStack;
Json::Reader m_reader;
};
BOOST_FIXTURE_TEST_SUITE(SolidityNatspecJSON, DocumentationChecker)
BOOST_AUTO_TEST_CASE(user_basic_test)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7\n"
" function mul(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \"notice\": \"Multiplies `a` by 7\"}"
"}}";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(dev_and_user_basic_test)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7\n"
" /// @dev Multiplies a number by 7\n"
" function mul(uint a) returns(uint d) { return a * 7; }\n"
"}\n";
char const* devNatspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7\"\n"
" }\n"
" }\n"
"}}";
char const* userNatspec = "{"
"\"methods\":{"
" \"mul\":{ \"notice\": \"Multiplies `a` by 7\"}"
"}}";
checkNatspec(sourceCode, devNatspec, false);
checkNatspec(sourceCode, userNatspec, true);
}
BOOST_AUTO_TEST_CASE(user_multiline_comment)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7\n"
" /// and then adds `b`\n"
" function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
" {\n"
" return (a * 7) + b;\n"
" }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul_and_add\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"}"
"}}";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(user_multiple_functions)
{
char const* sourceCode = "contract test {\n"
" /// @notice Multiplies `a` by 7 and then adds `b`\n"
" function mul_and_add(uint a, uint256 b) returns(uint256 d)\n"
" {\n"
" return (a * 7) + b;\n"
" }\n"
"\n"
" /// @notice Divides `input` by `div`\n"
" function divide(uint input, uint div) returns(uint d)\n"
" {\n"
" return input / div;\n"
" }\n"
" /// @notice Subtracts 3 from `input`\n"
" function sub(int input) returns(int d)\n"
" {\n"
" return input - 3;\n"
" }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul_and_add\":{ \"notice\": \"Multiplies `a` by 7 and then adds `b`\"},"
" \"divide\":{ \"notice\": \"Divides `input` by `div`\"},"
" \"sub\":{ \"notice\": \"Subtracts 3 from `input`\"}"
"}}";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(user_empty_contract)
{
char const* sourceCode = "contract test {\n"
"}\n";
char const* natspec = "{\"methods\":{} }";
checkNatspec(sourceCode, natspec, true);
}
BOOST_AUTO_TEST_CASE(dev_and_user_no_doc)
{
char const* sourceCode = "contract test {\n"
" function mul(uint a) returns(uint d) { return a * 7; }\n"
" function sub(int input) returns(int d)\n"
" {\n"
" return input - 3;\n"
" }\n"
"}\n";
char const* devNatspec = "{\"methods\":{}}";
char const* userNatspec = "{\"methods\":{}}";
checkNatspec(sourceCode, devNatspec, false);
checkNatspec(sourceCode, userNatspec, true);
}
BOOST_AUTO_TEST_CASE(dev_desc_after_nl)
{
char const* sourceCode = "contract test {\n"
" /// @dev\n"
" /// Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \" Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiple_params)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_mutiline_param_description)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiple_functions)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter\n"
" /// @param second Documentation for the second parameter\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
" \n"
" /// @dev Divides 2 numbers\n"
" /// @param input Documentation for the input parameter\n"
" /// @param div Documentation for the div parameter\n"
" function divide(uint input, uint div) returns(uint d)\n"
" {\n"
" return input / div;\n"
" }\n"
" /// @dev Subtracts 3 from `input`\n"
" /// @param input Documentation for the input parameter\n"
" function sub(int input) returns(int d)\n"
" {\n"
" return input - 3;\n"
" }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" }\n"
" },\n"
" \"divide\":{ \n"
" \"details\": \"Divides 2 numbers\",\n"
" \"params\": {\n"
" \"input\": \"Documentation for the input parameter\",\n"
" \"div\": \"Documentation for the div parameter\"\n"
" }\n"
" },\n"
" \"sub\":{ \n"
" \"details\": \"Subtracts 3 from `input`\",\n"
" \"params\": {\n"
" \"input\": \"Documentation for the input parameter\"\n"
" }\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_return)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" /// @return The result of the multiplication\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \"The result of the multiplication\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_return_desc_after_nl)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" /// @return\n"
" /// The result of the multiplication\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \" The result of the multiplication\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_CASE(dev_multiline_return)
{
char const* sourceCode = "contract test {\n"
" /// @dev Multiplies a number by 7 and adds second parameter\n"
" /// @param a Documentation for the first parameter starts here.\n"
" /// Since it's a really complicated parameter we need 2 lines\n"
" /// @param second Documentation for the second parameter\n"
" /// @return The result of the multiplication\n"
" /// and cookies with nutella\n"
" function mul(uint a, uint second) returns(uint d) { return a * 7 + second; }\n"
"}\n";
char const* natspec = "{"
"\"methods\":{"
" \"mul\":{ \n"
" \"details\": \"Multiplies a number by 7 and adds second parameter\",\n"
" \"params\": {\n"
" \"a\": \"Documentation for the first parameter starts here. Since it's a really complicated parameter we need 2 lines\",\n"
" \"second\": \"Documentation for the second parameter\"\n"
" },\n"
" \"return\": \"The result of the multiplication and cookies with nutella\"\n"
" }\n"
"}}";
checkNatspec(sourceCode, natspec, false);
}
BOOST_AUTO_TEST_SUITE_END()
}
}
}
Loading…
Cancel
Save