public async Task ChangeAsync(string orderId, [FromBody] OrderChangeRequest request)
{
if (!_ordersCache.TryGetOrderById(orderId, out var order))
{
throw new InvalidOperationException("Order not found");
}
ValidationHelper.ValidateAccountId(order, request.AccountId);
var originator = GetOriginator(request.Originator);
await _tradingEngine.ChangeOrderAsync(order.Id, request.Price, originator,
request.AdditionalInfo, request.ForceOpen);
_operationsLogService.AddLog("action order.changeLimits", order.AccountId,
new { orderId = orderId, request = request.ToJson() }.ToJson(), "");
}