Fabcoin Core  0.16.2
P2P Digital Currency
FixedHash.cpp
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1 /*
2  This file is part of cpp-ethereum.
3 
4  cpp-ethereum is free software: you can redistribute it and/or modify
5  it under the terms of the GNU General Public License as published by
6  the Free Software Foundation, either version 3 of the License, or
7  (at your option) any later version.
8 
9  cpp-ethereum is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU General Public License for more details.
13 
14  You should have received a copy of the GNU General Public License
15  along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
16 */
22 #include "FixedHash.h"
23 #include <ctime>
24 #include <boost/algorithm/string.hpp>
25 
26 using namespace std;
27 using namespace dev;
28 
29 boost::random_device dev::s_fixedHashEngine;
30 
31 h128 dev::fromUUID(std::string const& _uuid)
32 {
33  try
34  {
35  return h128(boost::replace_all_copy(_uuid, "-", ""));
36  }
37  catch (...)
38  {
39  return h128();
40  }
41 }
42 
43 std::string dev::toUUID(h128 const& _uuid)
44 {
45  std::string ret = toHex(_uuid.ref());
46  for (unsigned i: {20, 16, 12, 8})
47  ret.insert(ret.begin() + i, '-');
48  return ret;
49 }
50 
h128 fromUUID(std::string const &_uuid)
Definition: FixedHash.cpp:31
Adapted from code found on http://stackoverflow.com/questions/180947/base64-decode-snippet-in-c Origi...
Definition: Arith256.cpp:15
std::string toHex(T const &_data, int _w=2, HexPrefix _prefix=HexPrefix::DontAdd)
Definition: CommonData.h:54
std::hash for asio::adress
Definition: Common.h:323
boost::random_device s_fixedHashEngine
Definition: FixedHash.cpp:29
bytesRef ref()
Definition: FixedHash.h:133
Fixed-size raw-byte array container type, with an API optimised for storing hashes.
Definition: FixedHash.h:47
FixedHash< 16 > h128
Definition: FixedHash.h:342
std::string toUUID(h128 const &_uuid)
Definition: FixedHash.cpp:43