Gav Wood
10 years ago
13 changed files with 222 additions and 28 deletions
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/*
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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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|
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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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|
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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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@ -0,0 +1,59 @@ |
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/*
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This file is part of cpp-ethereum. |
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|
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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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|
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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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|
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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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#pragma once |
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#include "MainFace.h" |
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namespace dev |
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{ |
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namespace az |
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{ |
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class NameRegNamer: public QObject, public AccountNamerPlugin |
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{ |
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Q_OBJECT |
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public: |
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NameRegNamer(MainFace* _m); |
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~NameRegNamer(); |
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private: |
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void readSettings(QSettings const&) override; |
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void writeSettings(QSettings&) override; |
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std::string toName(Address const&) const override; |
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Address toAddress(std::string const&) const override; |
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Addresses knownAddresses() const override; |
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void updateCache(); |
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void killRegistrar(Address const& _r); |
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Addresses m_registrars; |
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std::unordered_map<Address, unsigned> m_filters; |
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mutable Addresses m_knownCache; |
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// mutable std::unordered_map<Address, std::string> m_forwardCache;
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// mutable std::unordered_map<std::string, Address> m_reverseCache;
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}; |
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} |
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} |
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