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.
 
 
 
 
 

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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 Common.cpp
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#include "Common.h"
#include <libdevcrypto/SHA3.h>
using namespace std;
using namespace dev;
using namespace dev::p2p;
using namespace dev::shh;
BuildTopic& BuildTopic::shiftBytes(bytes const& _b)
{
m_parts.push_back(dev::sha3(_b));
return *this;
}
h256 TopicFilter::sha3() const
{
RLPStream s;
streamRLP(s);
return dev::sha3(s.out());
}
TopicMask BuildTopicMask::toTopicMask() const
{
TopicMask ret;
if (m_parts.size())
for (auto i = 0; i < 32; ++i)
{
ret.first[i] = m_parts[i * m_parts.size() / 32][i];
ret.second[i] = m_parts[i * m_parts.size() / 32] ? 255 : 0;
}
return ret;
}
/*
web3.shh.watch({}).arrived(function(m) { env.note("New message:\n"+JSON.stringify(m)); })
k = web3.shh.newIdentity()
web3.shh.post({from: k, topic: web3.fromAscii("test"), payload: web3.fromAscii("Hello world!")})
*/