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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 NameRegNamer.h
* @author Gav Wood <i@gavwood.com>
* @date 2015
*/
#include "NameRegNamer.h"
#include <QSettings>
#include <libdevcore/Log.h>
#include <libethereum/Client.h>
using namespace std;
using namespace dev;
using namespace az;
using namespace eth;
DEV_AZ_NOTE_PLUGIN(NameRegNamer);
NameRegNamer::NameRegNamer(MainFace* _m):
AccountNamerPlugin(_m, "NameRegNamer")
{
}
NameRegNamer::~NameRegNamer()
{
}
string NameRegNamer::toName(Address const& _a) const
{
for (auto const& r: m_registrars)
{
string n = abiOut<string>(main()->ethereum()->call(Address(1), 0, r, abiIn("name(address)", _a), 1000000, DefaultGasPrice, PendingBlock, FudgeFactor::Lenient).output);
if (!n.empty())
return n;
}
return string();
}
Address NameRegNamer::toAddress(std::string const& _n) const
{
for (auto const& r: m_registrars)
if (Address a = abiOut<Address>(main()->ethereum()->call(r, abiIn("addr(string)", _n)).output))
return a;
return Address();
}
Addresses NameRegNamer::knownAddresses() const
{
return m_knownCache;
}
void NameRegNamer::killRegistrar(Address const& _r)
{
if (m_filters.count(_r))
{
main()->uninstallWatch(m_filters.at(_r));
m_filters.erase(_r);
}
for (auto i = m_registrars.begin(); i != m_registrars.end();)
if (*i == _r)
i = m_registrars.erase(i);
else
++i;
}
void NameRegNamer::updateCache()
{
// m_forwardCache.clear();
// m_reverseCache.clear();
m_knownCache.clear();
#if ETH_FATDB || !ETH_TRUE
for (auto const& r: m_registrars)
for (u256 const& a: keysOf(ethereum()->storageAt(r)))
if (a < u256(1) << 160)
m_knownCache.push_back(Address((u160)a - 1));
#endif
}
void NameRegNamer::readSettings(QSettings const& _s)
{
(void)_s;
while (!m_registrars.empty())
killRegistrar(m_registrars.back());
Address a("047cdba9627a8686bb24b3a65d87dab7efa53d31");
m_registrars.push_back(a);
m_filters[a] = main()->installWatch(LogFilter().address(a), [=](LocalisedLogEntries const&){ updateCache(); });
noteKnownChanged();
}
void NameRegNamer::writeSettings(QSettings&)
{
}