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Diffstat (limited to 'libdevcore/FixedHash.cpp')
| -rw-r--r-- | libdevcore/FixedHash.cpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libdevcore/FixedHash.cpp b/libdevcore/FixedHash.cpp new file mode 100644 index 00000000..420e2bb1 --- /dev/null +++ b/libdevcore/FixedHash.cpp @@ -0,0 +1,50 @@ +/* + 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 FixedHash.cpp + * @author Gav Wood <i@gavwood.com> + * @date 2014 + */ + +#include "FixedHash.h" +#include <ctime> +#include <boost/algorithm/string.hpp> + +using namespace std; +using namespace dev; + +boost::random_device dev::s_fixedHashEngine; + +h128 dev::fromUUID(std::string const& _uuid) +{ + try + { + return h128(boost::replace_all_copy(_uuid, "-", "")); + } + catch (...) + { + return h128(); + } +} + +std::string dev::toUUID(h128 const& _uuid) +{ + std::string ret = toHex(_uuid.ref()); + for (unsigned i: {20, 16, 12, 8}) + ret.insert(ret.begin() + i, '-'); + return ret; +} + |