peerplays_migrated/libraries/plugins/peerplays_sidechain/ethereum/utils.cpp

#include <graphene/peerplays_sidechain/ethereum/utils.hpp>

#include <fc/crypto/hex.hpp>

namespace graphene { namespace peerplays_sidechain { namespace ethereum {

bytes parse_hex(const std::string &str) {
   bytes vec(str.size() / 2);
   fc::from_hex(str, vec.data(), vec.size());
   return vec;
}

std::string bytes2hex(const std::string& s)
{
   std::string dest;
   for( const auto& i : s )
      dest += uchar2Hex((unsigned char)i);

   return dest;
}

std::string uchar2Hex(unsigned char n)
{
   std::string dest;
   dest.resize(2);
   sprintf(&dest[0], "%X", n);

   if(n < (unsigned char)16)
   {
      dest[1] = dest[0];
      dest[0] = '0';
   }

   return dest;
}

}}} // namespace graphene::peerplays_sidechain::ethereum