CommonJS.cpp

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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/>.
*/
#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);
}

}

}