CommonJS.cpp

Go to the documentation of this file.

/*
    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/>.
*/
#include "CommonJS.h"
 
namespace dev
{
 
std::string prettyU256(u256 _n, bool _abridged)
{
    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())
            s << "0";
        else
            s << _n << "(0x" << n << ")";
    }
    else if (!(raw = fromRaw((h256)_n)).empty())
        return "\"" + raw + "\"";
    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);
}
 
}
 
}