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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
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.
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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.
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You should have received a copy of the GNU General Public License
along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
/** @file CommonJS.cpp
* @authors:
* Gav Wood <i@gavwood.com>
* Marek Kotewicz <marek@ethdev.com>
* @date 2014
*/
#include "CommonJS.h"
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namespace dev
{
Address toAddress(std::string const& _sn)
{
if (_sn.size() == 40)
return Address(fromHex(_sn));
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else
return Address();
}
std::string prettyU256(u256 _n, bool _abridged)
{
unsigned inc = 0;
std::string raw;
std::ostringstream s;
if (!(_n >> 64))
s << " " << (uint64_t)_n << " (0x" << std::hex << (uint64_t)_n << ")";
else if (!~(_n >> 64))
s << " " << (int64_t)_n << " (0x" << std::hex << (int64_t)_n << ")";
else if ((_n >> 160) == 0)
{
Address a = right160(_n);
std::string n;
if (_abridged)
n = a.abridged();
else
n = toHex(a.ref());
if (n.empty())
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s << "0";
else
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s << _n << "(0x" << n << ")";
}
else if ((raw = fromRaw((h256)_n, &inc)).size())
return "\"" + raw + "\"" + (inc ? " + " + std::to_string(inc) : "");
else
s << "" << (h256)_n;
return s.str();
}
namespace eth
{
BlockNumber jsToBlockNumber(std::string const& _js)
{
if (_js == "latest")
return LatestBlock;
else if (_js == "earliest")
return 0;
else if (_js == "pending")
return PendingBlock;
else
return (unsigned)jsToInt(_js);
}
}
}