51 lines
1.6 KiB
MQL5
51 lines
1.6 KiB
MQL5
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#ifndef FRAMEWORK_TOOL_MARGIN_MQH
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#define FRAMEWORK_TOOL_MARGIN_MQH
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class tool_margin {
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private:
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static bool can_calc_margin ( string symbol ) {
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string account_currency = layer_account::currency();
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// На данный момент работаем только с USD
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if ( account_currency != "USD" ) {
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return false;
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}
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// Смотрим данная пара состоит ли из валюты счета
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return kernel_symbol::currency_base ( symbol ) == account_currency
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|| kernel_symbol::currency_profit ( symbol ) == account_currency;
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}
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public:
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static double calc_margin ( layer_order_setting *order_settings,
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double before_line ) {
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list<c_order *> *orders = layer_order::get ( order_settings );
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LIST_SUM_EX ( orders, double result = 0.0, c_order *, item, {
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if ( !item.is_order_stop()
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|| !item.is_before_line ( before_line ) ) {
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continue;
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}
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double margin = calc_margin ( item.symbol, layer::account_leverage(), item.lot, item.open_price );
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result += margin;
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double profit = item.get_profit_in_currency();
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result -= profit;
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} );
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return result;
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}
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static double calc_margin ( string symbol, double leverage, double lot, double price ) {
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if ( !can_calc_margin ( symbol ) ) {
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return lot * layer_market::margin_required ();
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}
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bool is_left_currency = kernel_symbol::currency_base ( symbol ) == layer_account::currency();
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double price_for_lot = !is_left_currency ?
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price * layer_market::lot_size () :
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layer_market::lot_size ();
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return ( lot * price_for_lot ) / leverage;
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}
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};
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#endif
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