message: fix fee calculation in sellram and comments
diff: @@ -154,9 +154,10 @@ namespace eosiosystem {
  /**
  - * While buying ram uses the current market price according to the bancor-algorithm, selling ram only
  - * refunds the purchase price to the account. In this way there is no profit to be made through buying
  - * and selling ram.
  + * The system contract now buys and sells RAM allocations at prevailing market prices.
  + * This may result in traders buying RAM today in anticipation of potential shortages
  + * tomorrow. Overall this will result in the market balancing the supply and demand
  + * for RAM over time.
  */
  void system_contract::sellram( account_name account, int64_t bytes ) {
  require_auth( account );
  @@ -187,7 +188,8 @@ namespace eosiosystem {
  INLINE_ACTION_SENDER(eosio::token, transfer)( N(eosio.token), {N(eosio.ram),N(active)},
  { N(eosio.ram), account, asset(tokens_out), std::string("sell ram") } );
  - auto fee = tokens_out.amount / 200;
  +
  + auto fee = ( fee.amount + 199 ) / 200; /// .5% fee (round up)
  if( fee > 0 ) {
  INLINE_ACTION_SENDER(eosio::token, transfer)( N(eosio.token), {account,N(active)},
  { account, N(eosio.ramfee), asset(fee), std::string("sell ram fee") } );
  