account.hpp

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#pragma once
 
#include <string>
#include <cstdint>
#include <chrono>
 
namespace fix40 {
 
// ============================================================================
// 账户结构
// ============================================================================
 
struct Account {
    // -------------------------------------------------------------------------
    // 标识符
    // -------------------------------------------------------------------------
    std::string accountId;      
 
    // -------------------------------------------------------------------------
    // 资金信息
    // -------------------------------------------------------------------------
    double balance;             
    double available;           
    double frozenMargin;        
    double usedMargin;          
 
    // -------------------------------------------------------------------------
    // 盈亏信息
    // -------------------------------------------------------------------------
    double positionProfit;      
    double closeProfit;         
 
    // -------------------------------------------------------------------------
    // 时间戳
    // -------------------------------------------------------------------------
    std::chrono::system_clock::time_point updateTime;  
 
    // -------------------------------------------------------------------------
    // 构造函数
    // -------------------------------------------------------------------------
 
    Account()
        : balance(0.0)
        , available(0.0)
        , frozenMargin(0.0)
        , usedMargin(0.0)
        , positionProfit(0.0)
        , closeProfit(0.0)
        , updateTime(std::chrono::system_clock::now())
    {}
 
    Account(const std::string& id, double initialBalance)
        : accountId(id)
        , balance(initialBalance)
        , available(initialBalance)
        , frozenMargin(0.0)
        , usedMargin(0.0)
        , positionProfit(0.0)
        , closeProfit(0.0)
        , updateTime(std::chrono::system_clock::now())
    {}
 
    // -------------------------------------------------------------------------
    // 计算方法
    // -------------------------------------------------------------------------
 
    double getDynamicEquity() const {
        return balance + positionProfit;
    }
 
    double getRiskRatio() const {
        double equity = getDynamicEquity();
        return equity > 0 ? usedMargin / equity : 0.0;
    }
 
    void recalculateAvailable() {
        available = balance + positionProfit - frozenMargin - usedMargin;
    }
 
    // -------------------------------------------------------------------------
    // 比较操作符（用于测试）
    // -------------------------------------------------------------------------
 
    bool operator==(const Account& other) const {
        return accountId == other.accountId &&
               balance == other.balance &&
               available == other.available &&
               frozenMargin == other.frozenMargin &&
               usedMargin == other.usedMargin &&
               positionProfit == other.positionProfit &&
               closeProfit == other.closeProfit;
    }
 
    bool operator!=(const Account& other) const {
        return !(*this == other);
    }
};
 
} // namespace fix40