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/*
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 WebThreeStubServerBase.cpp
* @authors:
* Gav Wood <i@gavwood.com>
* Marek Kotewicz <marek@ethdev.com>
* @date 2014
*/
// Make sure boost/asio.hpp is included before windows.h.
#include <boost/asio.hpp>
#include <libsolidity/CompilerStack.h>
#include <libsolidity/Scanner.h>
#include <libsolidity/SourceReferenceFormatter.h>
#include <libevmcore/Instruction.h>
#include <liblll/Compiler.h>
#include <libethereum/Client.h>
#include <libwebthree/WebThree.h>
#include <libethcore/CommonJS.h>
#include <libwhisper/Message.h>
#include <libwhisper/WhisperHost.h>
#ifndef _MSC_VER
#include <libserpent/funcs.h>
#endif
#include "WebThreeStubServerBase.h"
#include "AccountHolder.h"
using namespace std;
using namespace dev;
using namespace dev::eth;
static Json::Value toJson(dev::eth::BlockInfo const& _bi)
{
Json::Value res;
res["hash"] = boost::lexical_cast<string>(_bi.hash);
res["parentHash"] = toJS(_bi.parentHash);
res["sha3Uncles"] = toJS(_bi.sha3Uncles);
res["miner"] = toJS(_bi.coinbaseAddress);
res["stateRoot"] = toJS(_bi.stateRoot);
res["transactionsRoot"] = toJS(_bi.transactionsRoot);
res["difficulty"] = toJS(_bi.difficulty);
res["number"] = (int)_bi.number;
res["gasLimit"] = (int)_bi.gasLimit;
res["timestamp"] = (int)_bi.timestamp;
res["extraData"] = jsFromBinary(_bi.extraData);
res["nonce"] = toJS(_bi.nonce);
return res;
}
static Json::Value toJson(dev::eth::Transaction const& _t)
{
Json::Value res;
res["hash"] = toJS(_t.sha3());
res["input"] = jsFromBinary(_t.data());
res["to"] = toJS(_t.receiveAddress());
res["from"] = toJS(_t.safeSender());
res["gas"] = (int)_t.gas();
res["gasPrice"] = toJS(_t.gasPrice());
res["nonce"] = toJS(_t.nonce());
res["value"] = toJS(_t.value());
return res;
}
static Json::Value toJson(dev::eth::TransactionSkeleton const& _t)
{
Json::Value res;
res["to"] = toJS(_t.to);
res["from"] = toJS(_t.from);
res["gas"] = toJS(_t.gas);
res["gasPrice"] = toJS(_t.gasPrice);
res["value"] = toJS(_t.value);
res["data"] = jsFromBinary(_t.data);
return res;
}
static Json::Value toJson(dev::eth::LocalisedLogEntry const& _e)
{
Json::Value res;
res["data"] = jsFromBinary(_e.data);
res["address"] = toJS(_e.address);
for (auto const& t: _e.topics)
res["topic"].append(toJS(t));
res["number"] = _e.number;
res["hash"] = toJS(_e.sha3);
return res;
}
static Json::Value toJson(dev::eth::LocalisedLogEntries const& _es) // commented to avoid warning. Uncomment once in use @ poC-7.
{
Json::Value res(Json::arrayValue);
for (dev::eth::LocalisedLogEntry const& e: _es)
res.append(toJson(e));
return res;
}
static Json::Value toJson(std::map<u256, u256> const& _storage)
{
Json::Value res(Json::objectValue);
for (auto i: _storage)
res[toJS(i.first)] = toJS(i.second);
return res;
}
static dev::eth::LogFilter toLogFilter(Json::Value const& _json) // commented to avoid warning. Uncomment once in use @ PoC-7.
{
dev::eth::LogFilter filter;
if (!_json.isObject() || _json.empty())
return filter;
if (_json["earliest"].isInt())
filter.withEarliest(_json["earliest"].asInt());
if (_json["latest"].isInt())
filter.withLatest(_json["lastest"].asInt());
if (_json["max"].isInt())
filter.withMax(_json["max"].asInt());
if (_json["skip"].isInt())
filter.withSkip(_json["skip"].asInt());
if (!_json["address"].empty())
{
if (_json["address"].isArray())
{
for (auto i : _json["address"])
if (i.isString())
filter.address(jsToAddress(i.asString()));
}
else if (_json["address"].isString())
filter.address(jsToAddress(_json["address"].asString()));
}
if (!_json["topic"].empty() && _json["topic"].isArray())
{
unsigned i = 0;
for (auto t: _json["topic"])
{
if (t.isArray())
for (auto tt: t)
filter.topic(i, jsToFixed<32>(tt.asString()));
else if (t.isString())
filter.topic(i, jsToFixed<32>(t.asString()));
i++;
}
}
return filter;
}
static shh::Message toMessage(Json::Value const& _json)
{
shh::Message ret;
if (_json["from"].isString())
ret.setFrom(jsToPublic(_json["from"].asString()));
if (_json["to"].isString())
ret.setTo(jsToPublic(_json["to"].asString()));
if (_json["payload"].isString())
ret.setPayload(jsToBytes(_json["payload"].asString()));
return ret;
}
static shh::Envelope toSealed(Json::Value const& _json, shh::Message const& _m, Secret _from)
{
unsigned ttl = 50;
unsigned workToProve = 50;
shh::BuildTopic bt;
if (_json["ttl"].isInt())
ttl = _json["ttl"].asInt();
if (_json["workToProve"].isInt())
workToProve = _json["workToProve"].asInt();
if (!_json["topic"].empty())
{
if (_json["topic"].isString())
bt.shift(jsToBytes(_json["topic"].asString()));
else if (_json["topic"].isArray())
for (auto i: _json["topic"])
if (i.isString())
bt.shift(jsToBytes(i.asString()));
}
return _m.seal(_from, bt, ttl, workToProve);
}
static pair<shh::FullTopic, Public> toWatch(Json::Value const& _json)
{
shh::BuildTopic bt;
Public to;
if (_json["to"].isString())
to = jsToPublic(_json["to"].asString());
if (!_json["topic"].empty())
{
if (_json["topic"].isString())
bt.shift(jsToBytes(_json["topic"].asString()));
else if (_json["topic"].isArray())
for (auto i: _json["topic"])
if (i.isString())
bt.shift(jsToBytes(i.asString()));
}
return make_pair(bt, to);
}
static Json::Value toJson(h256 const& _h, shh::Envelope const& _e, shh::Message const& _m)
{
Json::Value res;
res["hash"] = toJS(_h);
res["expiry"] = (int)_e.expiry();
res["sent"] = (int)_e.sent();
res["ttl"] = (int)_e.ttl();
res["workProved"] = (int)_e.workProved();
for (auto const& t: _e.topic())
res["topic"].append(toJS(t));
res["payload"] = toJS(_m.payload());
res["from"] = toJS(_m.from());
res["to"] = toJS(_m.to());
return res;
}
WebThreeStubServerBase::WebThreeStubServerBase(jsonrpc::AbstractServerConnector& _conn, std::vector<dev::KeyPair> const& _accounts):
AbstractWebThreeStubServer(_conn), m_accounts(make_shared<AccountHolder>(std::bind(&WebThreeStubServerBase::client, this)))
{
m_accounts->setAccounts(_accounts);
}
void WebThreeStubServerBase::setIdentities(std::vector<dev::KeyPair> const& _ids)
{
m_ids.clear();
for (auto i: _ids)
m_ids[i.pub()] = i.secret();
}
std::string WebThreeStubServerBase::web3_sha3(std::string const& _param1)
{
return toJS(sha3(jsToBytes(_param1)));
}
Json::Value WebThreeStubServerBase::eth_accounts()
{
Json::Value ret(Json::arrayValue);
for (auto const& i: m_accounts->getAllAccounts())
ret.append(toJS(i));
return ret;
}
std::string WebThreeStubServerBase::shh_addToGroup(std::string const& _group, std::string const& _who)
{
(void)_group;
(void)_who;
return "";
}
std::string WebThreeStubServerBase::eth_balanceAt(string const& _address)
{
return toJS(client()->balanceAt(jsToAddress(_address), client()->getDefault()));
}
Json::Value WebThreeStubServerBase::eth_blockByHash(std::string const& _hash)
{
return toJson(client()->blockInfo(jsToFixed<32>(_hash)));
}
Json::Value WebThreeStubServerBase::eth_blockByNumber(int _number)
{
return toJson(client()->blockInfo(client()->hashFromNumber(_number)));
}
static TransactionSkeleton toTransaction(Json::Value const& _json)
{
TransactionSkeleton ret;
if (!_json.isObject() || _json.empty())
return ret;
if (_json["from"].isString())
ret.from = jsToAddress(_json["from"].asString());
if (_json["to"].isString())
ret.to = jsToAddress(_json["to"].asString());
else
ret.creation = true;
if (!_json["value"].empty())
{
if (_json["value"].isString())
ret.value = jsToU256(_json["value"].asString());
else if (_json["value"].isInt())
ret.value = u256(_json["value"].asInt());
}
if (!_json["gas"].empty())
{
if (_json["gas"].isString())
ret.gas = jsToU256(_json["gas"].asString());
else if (_json["gas"].isInt())
ret.gas = u256(_json["gas"].asInt());
}
if (!_json["gasPrice"].empty())
{
if (_json["gasPrice"].isString())
ret.gasPrice = jsToU256(_json["gasPrice"].asString());
else if (_json["gasPrice"].isInt())
ret.gas = u256(_json["gas"].asInt());
}
if (!_json["data"].empty())
{
if (_json["data"].isString()) // ethereum.js has preconstructed the data array
ret.data = jsToBytes(_json["data"].asString());
else if (_json["data"].isArray()) // old style: array of 32-byte-padded values. TODO: remove PoC-8
for (auto i: _json["data"])
dev::operator +=(ret.data, padded(jsToBytes(i.asString()), 32));
}
if (_json["code"].isString())
ret.data = jsToBytes(_json["code"].asString());
return ret;
}
bool WebThreeStubServerBase::eth_flush()
{
client()->flushTransactions();
return true;
}
std::string WebThreeStubServerBase::eth_call(Json::Value const& _json)
{
std::string ret;
TransactionSkeleton t = toTransaction(_json);
if (!t.from)
t.from = m_accounts->getDefaultTransactAccount();
if (!m_accounts->isRealAccount(t.from))
return ret;
if (!t.gasPrice)
t.gasPrice = 10 * dev::eth::szabo;
if (!t.gas)
t.gas = min<u256>(client()->gasLimitRemaining(), client()->balanceAt(t.from) / t.gasPrice);
ret = toJS(client()->call(m_accounts->secretKey(t.from), t.value, t.to, t.data, t.gas, t.gasPrice));
return ret;
}
Json::Value WebThreeStubServerBase::eth_changed(int _id)
{
auto entries = client()->checkWatch(_id);
if (entries.size())
cnote << "FIRING WATCH" << _id << entries.size();
return toJson(entries);
}
std::string WebThreeStubServerBase::eth_codeAt(string const& _address)
{
return jsFromBinary(client()->codeAt(jsToAddress(_address), client()->getDefault()));
}
std::string WebThreeStubServerBase::eth_coinbase()
{
return toJS(client()->address());
}
double WebThreeStubServerBase::eth_countAt(string const& _address)
{
return (double)(uint64_t)client()->countAt(jsToAddress(_address), client()->getDefault());
}
double WebThreeStubServerBase::eth_transactionCountByHash(std::string const& _hash)
{
return client()->transactionCount(jsToFixed<32>(_hash));
}
double WebThreeStubServerBase::eth_transactionCountByNumber(int _number)
{
return client()->transactionCount(client()->hashFromNumber(_number));
}
double WebThreeStubServerBase::eth_uncleCountByHash(std::string const& _hash)
{
return client()->transactionCount(jsToFixed<32>(_hash));
}
double WebThreeStubServerBase::eth_uncleCountByNumber(int _number)
{
return client()->transactionCount(client()->hashFromNumber(_number));
}
int WebThreeStubServerBase::eth_defaultBlock()
{
return client()->getDefault();
}
std::string WebThreeStubServerBase::eth_gasPrice()
{
return toJS(10 * dev::eth::szabo);
}
std::string WebThreeStubServerBase::db_get(std::string const& _name, std::string const& _key)
{
string ret = db()->get(_name, _key);
return toJS(dev::asBytes(ret));
}
Json::Value WebThreeStubServerBase::eth_filterLogs(int _id)
{
return toJson(client()->logs(_id));
}
Json::Value WebThreeStubServerBase::eth_logs(Json::Value const& _json)
{
return toJson(client()->logs(toLogFilter(_json)));
}
std::string WebThreeStubServerBase::db_getString(std::string const& _name, std::string const& _key)
{
return db()->get(_name, _key);;
}
bool WebThreeStubServerBase::shh_haveIdentity(std::string const& _id)
{
return m_ids.count(jsToPublic(_id)) > 0;
}
bool WebThreeStubServerBase::eth_listening()
{
return network()->isNetworkStarted();
}
bool WebThreeStubServerBase::eth_mining()
{
return client()->isMining();
}
int WebThreeStubServerBase::eth_newFilter(Json::Value const& _json)
{
unsigned ret = -1;
ret = client()->installWatch(toLogFilter(_json));
return ret;
}
int WebThreeStubServerBase::eth_newFilterString(std::string const& _filter)
{
unsigned ret = -1;
if (_filter.compare("chain") == 0)
ret = client()->installWatch(dev::eth::ChainChangedFilter);
else if (_filter.compare("pending") == 0)
ret = client()->installWatch(dev::eth::PendingChangedFilter);
return ret;
}
Json::Value WebThreeStubServerBase::eth_getWork()
{
Json::Value ret(Json::arrayValue);
auto r = client()->getWork();
ret.append(toJS(r.first));
ret.append(toJS(r.second));
return ret;
}
bool WebThreeStubServerBase::eth_submitWork(std::string const& _nonce, std::string const& _mixHash)
{
return client()->submitWork(ProofOfWork::Proof{jsToFixed<Nonce::size>(_nonce), jsToFixed<32>(_mixHash)});
}
int WebThreeStubServerBase::eth_register(std::string const& _address)
{
return m_accounts->addProxyAccount(jsToAddress(_address));
}
bool WebThreeStubServerBase::eth_unregister(int _id)
{
return m_accounts->removeProxyAccount(_id);
}
Json::Value WebThreeStubServerBase::eth_queuedTransactions(int _id)
{
Json::Value ret(Json::arrayValue);
for (TransactionSkeleton const& t: m_accounts->getQueuedTransactions(_id))
ret.append(toJson(t));
m_accounts->clearQueue(_id);
return ret;
}
std::string WebThreeStubServerBase::shh_newGroup(std::string const& _id, std::string const& _who)
{
(void)_id;
(void)_who;
return "";
}
std::string WebThreeStubServerBase::shh_newIdentity()
{
// cnote << this << m_ids;
KeyPair kp = KeyPair::create();
m_ids[kp.pub()] = kp.secret();
return toJS(kp.pub());
}
Json::Value WebThreeStubServerBase::eth_compilers()
{
Json::Value ret(Json::arrayValue);
ret.append("lll");
ret.append("solidity");
#ifndef _MSC_VER
ret.append("serpent");
#endif
return ret;
}
std::string WebThreeStubServerBase::eth_lll(std::string const& _code)
{
string res;
vector<string> errors;
res = toJS(dev::eth::compileLLL(_code, true, &errors));
cwarn << "LLL compilation errors: " << errors;
return res;
}
std::string WebThreeStubServerBase::eth_serpent(std::string const& _code)
{
string res;
#ifndef _MSC_VER
try
{
res = toJS(dev::asBytes(::compile(_code)));
}
catch (string err)
{
cwarn << "Solidity compilation error: " << err;
}
catch (...)
{
cwarn << "Uncought serpent compilation exception";
}
#endif
return res;
}
std::string WebThreeStubServerBase::eth_solidity(std::string const& _code)
{
string res;
dev::solidity::CompilerStack compiler;
try
{
res = toJS(compiler.compile(_code, true));
}
catch (dev::Exception const& exception)
{
ostringstream error;
solidity::SourceReferenceFormatter::printExceptionInformation(error, exception, "Error", compiler);
cwarn << "Solidity compilation error: " << error.str();
}
catch (...)
{
cwarn << "Uncought solidity compilation exception";
}
return res;
}
int WebThreeStubServerBase::eth_number()
{
return client()->number();
}
int WebThreeStubServerBase::eth_peerCount()
{
return network()->peerCount();
}
bool WebThreeStubServerBase::shh_post(Json::Value const& _json)
{
shh::Message m = toMessage(_json);
Secret from;
if (m.from() && m_ids.count(m.from()))
{
cwarn << "Silently signing message from identity" << m.from().abridged() << ": User validation hook goes here.";
// TODO: insert validification hook here.
from = m_ids[m.from()];
}
face()->inject(toSealed(_json, m, from));
return true;
}
bool WebThreeStubServerBase::db_put(std::string const& _name, std::string const& _key, std::string const& _value)
{
string v = asString(jsToBytes(_value));
db()->put(_name, _key, v);
return true;
}
bool WebThreeStubServerBase::db_putString(std::string const& _name, std::string const& _key, std::string const& _value)
{
db()->put(_name, _key,_value);
return true;
}
bool WebThreeStubServerBase::eth_setCoinbase(std::string const& _address)
{
client()->setAddress(jsToAddress(_address));
return true;
}
bool WebThreeStubServerBase::eth_setDefaultBlock(int _block)
{
client()->setDefault(_block);
return true;
}
bool WebThreeStubServerBase::eth_setListening(bool _listening)
{
if (_listening)
network()->startNetwork();
else
network()->stopNetwork();
return true;
}
bool WebThreeStubServerBase::eth_setMining(bool _mining)
{
if (_mining)
client()->startMining();
else
client()->stopMining();
return true;
}
Json::Value WebThreeStubServerBase::shh_changed(int _id)
{
Json::Value ret(Json::arrayValue);
auto pub = m_shhWatches[_id];
if (!pub || m_ids.count(pub))
for (h256 const& h: face()->checkWatch(_id))
{
auto e = face()->envelope(h);
shh::Message m;
if (pub)
{
cwarn << "Silently decrypting message from identity" << pub.abridged() << ": User validation hook goes here.";
m = e.open(face()->fullTopic(_id), m_ids[pub]);
}
else
m = e.open(face()->fullTopic(_id));
if (!m)
continue;
ret.append(toJson(h, e, m));
}
return ret;
}
Json::Value WebThreeStubServerBase::shh_getMessages(int _id)
{
Json::Value ret(Json::arrayValue);
auto pub = m_shhWatches[_id];
if (!pub || m_ids.count(pub))
for (h256 const& h: face()->watchMessages(_id))
{
auto e = face()->envelope(h);
shh::Message m;
if (pub)
{
cwarn << "Silently decrypting message from identity" << pub.abridged() << ": User validation hook goes here.";
m = e.open(face()->fullTopic(_id), m_ids[pub]);
}
else
m = e.open(face()->fullTopic(_id));
if (!m)
continue;
ret.append(toJson(h, e, m));
}
return ret;
}
int WebThreeStubServerBase::shh_newFilter(Json::Value const& _json)
{
auto w = toWatch(_json);
auto ret = face()->installWatch(w.first);
m_shhWatches.insert(make_pair(ret, w.second));
return ret;
}
bool WebThreeStubServerBase::shh_uninstallFilter(int _id)
{
face()->uninstallWatch(_id);
return true;
}
std::string WebThreeStubServerBase::eth_stateAt(string const& _address, string const& _storage)
{
return toJS(client()->stateAt(jsToAddress(_address), jsToU256(_storage), client()->getDefault()));
}
Json::Value WebThreeStubServerBase::eth_storageAt(string const& _address)
{
return toJson(client()->storageAt(jsToAddress(_address)));
}
std::string WebThreeStubServerBase::eth_transact(Json::Value const& _json)
{
std::string ret;
TransactionSkeleton t = toTransaction(_json);
if (!t.from)
t.from = m_accounts->getDefaultTransactAccount();
if (t.creation)
ret = toJS(right160(sha3(rlpList(t.from, client()->countAt(t.from)))));;
if (!t.gasPrice)
t.gasPrice = 10 * dev::eth::szabo;
if (!t.gas)
t.gas = min<u256>(client()->gasLimitRemaining(), client()->balanceAt(t.from) / t.gasPrice);
if (m_accounts->isRealAccount(t.from))
authenticate(t, false);
else if (m_accounts->isProxyAccount(t.from))
authenticate(t, true);
return ret;
}
void WebThreeStubServerBase::authenticate(TransactionSkeleton const& _t, bool _toProxy)
{
if (_toProxy)
m_accounts->queueTransaction(_t);
else if (_t.to)
client()->transact(m_accounts->secretKey(_t.from), _t.value, _t.to, _t.data, _t.gas, _t.gasPrice);
else
client()->transact(m_accounts->secretKey(_t.from), _t.value, _t.data, _t.gas, _t.gasPrice);
}
Json::Value WebThreeStubServerBase::eth_transactionByHash(std::string const& _hash, int _i)
{
return toJson(client()->transaction(jsToFixed<32>(_hash), _i));
}
Json::Value WebThreeStubServerBase::eth_transactionByNumber(int _number, int _i)
{
return toJson(client()->transaction(client()->hashFromNumber(_number), _i));
}
Json::Value WebThreeStubServerBase::eth_uncleByHash(std::string const& _hash, int _i)
{
return toJson(client()->uncle(jsToFixed<32>(_hash), _i));
}
Json::Value WebThreeStubServerBase::eth_uncleByNumber(int _number, int _i)
{
return toJson(client()->uncle(client()->hashFromNumber(_number), _i));
}
bool WebThreeStubServerBase::eth_uninstallFilter(int _id)
{
client()->uninstallWatch(_id);
return true;
}
void WebThreeStubServerBase::setAccounts(const std::vector<KeyPair>& _accounts)
{
m_accounts->setAccounts(_accounts);
}