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108 lines
2.7 KiB
108 lines
2.7 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file NameRegNamer.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2015
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*/
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#include "NameRegNamer.h"
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#include <QSettings>
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#include <libdevcore/Log.h>
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#include <libethereum/Client.h>
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using namespace std;
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using namespace dev;
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using namespace az;
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using namespace eth;
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DEV_AZ_NOTE_PLUGIN(NameRegNamer);
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NameRegNamer::NameRegNamer(MainFace* _m):
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AccountNamerPlugin(_m, "NameRegNamer")
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{
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}
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NameRegNamer::~NameRegNamer()
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{
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}
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string NameRegNamer::toName(Address const& _a) const
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{
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for (auto const& r: m_registrars)
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{
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string n = abiOut<string>(main()->ethereum()->call(Address(1), 0, r, abiIn("name(address)", _a), 1000000, DefaultGasPrice, PendingBlock, FudgeFactor::Lenient).output);
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if (!n.empty())
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return n;
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}
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return string();
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}
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Address NameRegNamer::toAddress(std::string const& _n) const
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{
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for (auto const& r: m_registrars)
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if (Address a = abiOut<Address>(main()->ethereum()->call(r, abiIn("addr(string)", _n)).output))
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return a;
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return Address();
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}
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Addresses NameRegNamer::knownAddresses() const
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{
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return m_knownCache;
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}
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void NameRegNamer::killRegistrar(Address const& _r)
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{
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if (m_filters.count(_r))
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{
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main()->uninstallWatch(m_filters.at(_r));
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m_filters.erase(_r);
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}
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for (auto i = m_registrars.begin(); i != m_registrars.end();)
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if (*i == _r)
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i = m_registrars.erase(i);
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else
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++i;
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}
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void NameRegNamer::updateCache()
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{
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// m_forwardCache.clear();
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// m_reverseCache.clear();
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m_knownCache.clear();
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#if ETH_FATDB || !ETH_TRUE
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for (auto const& r: m_registrars)
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for (u256 const& a: keysOf(ethereum()->storageAt(r)))
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if (a < u256(1) << 160)
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m_knownCache.push_back(Address((u160)a - 1));
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#endif
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}
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void NameRegNamer::readSettings(QSettings const& _s)
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{
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(void)_s;
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while (!m_registrars.empty())
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killRegistrar(m_registrars.back());
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Address a("047cdba9627a8686bb24b3a65d87dab7efa53d31");
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m_registrars.push_back(a);
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m_filters[a] = main()->installWatch(LogFilter().address(a), [=](LocalisedLogEntries const&){ updateCache(); });
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noteKnownChanged();
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}
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void NameRegNamer::writeSettings(QSettings&)
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{
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}
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