private async Task Handle(FreezeAmountForWithdrawalCommand command, IEventPublisher publisher)
{
var(executionInfo, _) = await _operationExecutionInfoRepository.GetOrAddAsync(
operationName : OperationName,
operationId : command.OperationId,
factory : () => new OperationExecutionInfo <WithdrawalFreezeOperationData>(
operationName: OperationName,
id: command.OperationId,
lastModified: _dateService.Now(),
data: new WithdrawalFreezeOperationData
{
State = OperationState.Initiated,
AccountId = command.AccountId,
Amount = command.Amount,
}
));
MarginTradingAccount account = null;
try
{
account = _accountsCacheService.Get(command.AccountId);
}
catch
{
publisher.PublishEvent(new AmountForWithdrawalFreezeFailedEvent(command.OperationId, _dateService.Now(),
command.AccountId, command.Amount, $"Failed to get account {command.AccountId}"));
return;
}
if (executionInfo.Data.SwitchState(OperationState.Initiated, OperationState.Started))
{
if (account.GetFreeMargin() >= command.Amount)
{
await _accountUpdateService.FreezeWithdrawalMargin(command.AccountId, command.OperationId,
command.Amount);
_chaosKitty.Meow(command.OperationId);
publisher.PublishEvent(new AmountForWithdrawalFrozenEvent(command.OperationId, _dateService.Now(),
command.AccountId, command.Amount, command.Reason));
}
else
{
publisher.PublishEvent(new AmountForWithdrawalFreezeFailedEvent(command.OperationId,
_dateService.Now(),
command.AccountId, command.Amount, "Not enough free margin"));
}
_chaosKitty.Meow(command.OperationId);
await _operationExecutionInfoRepository.Save(executionInfo);
}
}
public static MarginTradingAccountClientContract ToClientContract(this MarginTradingAccount src)
{
return(new MarginTradingAccountClientContract
{
Id = src.Id,
TradingConditionId = src.TradingConditionId,
BaseAssetId = src.BaseAssetId,
Balance = src.Balance,
WithdrawTransferLimit = src.WithdrawTransferLimit,
MarginCall = src.GetMarginCallLevel(),
StopOut = src.GetStopOutLevel(),
TotalCapital = src.GetTotalCapital(),
FreeMargin = src.GetFreeMargin(),
MarginAvailable = src.GetMarginAvailable(),
UsedMargin = src.GetUsedMargin(),
MarginInit = src.GetMarginInit(),
PnL = src.GetPnl(),
OpenPositionsCount = src.GetOpenPositionsCount(),
MarginUsageLevel = src.GetMarginUsageLevel()
});
}