Wallet.h

#pragma once
#include <string>
#include <map>
#include "OrderBookEntry.h"

class Wallet
{
public:
    Wallet();
    /** insert currency to the wallet */
    void insertCurrency(std::string type, double amount);
    /** remove currency to the wallet */
    bool removeCurrency(std::string type, double amount);
    /** check if wallet contains this much currency or more */
    bool containsCurrency(std::string type, double amount);
    /** checks if wallet can cope with this ask or bid */
    bool canFulfillOrder(OrderBookEntry Order);
    /** Update the contents of the wallet
     * Assumes order was made by owner of the wallet
     */
    void processSale(OrderBookEntry &sale);
    /** generate a string representation of the wallet */
    std::string toString();

private:
    std::map<std::string, double> currencies;
};