You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
58 lines
1.5 KiB
58 lines
1.5 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 Common.cpp
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#include "Common.h"
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#include <libdevcrypto/SHA3.h>
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using namespace std;
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using namespace dev;
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using namespace dev::p2p;
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using namespace dev::shh;
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BuildTopic& BuildTopic::shiftBytes(bytes const& _b)
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{
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m_parts.push_back(dev::sha3(_b));
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return *this;
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}
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h256 TopicFilter::sha3() const
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{
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RLPStream s;
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fillStream(s);
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return dev::sha3(s.out());
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}
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TopicMask BuildTopicMask::toTopicMask() const
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{
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TopicMask ret;
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if (m_parts.size())
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for (auto i = 0; i < 32; ++i)
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{
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ret.first[i] = m_parts[i * m_parts.size() / 32][i];
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ret.second[i] = m_parts[i * m_parts.size() / 32] ? 255 : 0;
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}
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return ret;
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}
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/*
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web3.shh.watch({}).arrived(function(m) { env.note("New message:\n"+JSON.stringify(m)); })
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k = web3.shh.newIdentity()
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web3.shh.post({from: k, topic: web3.fromAscii("test"), payload: web3.fromAscii("Hello world!")})
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*/
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