private async Task <bool> ReserveFundsAsync(InternalOrder internalOrder)
{
Instrument instrument = await _instrumentService.TryGetByAssetPairIdAsync(internalOrder.AssetPairId);
AssetPair assetPair = await _assetsServiceWithCache.TryGetAssetPairAsync(instrument.AssetPairId);
string assetId;
decimal amount;
if (internalOrder.Type == LimitOrderType.Sell)
{
assetId = assetPair.BaseAssetId;
amount = internalOrder.Volume;
}
else
{
Asset asset = await _assetsServiceWithCache.TryGetAssetAsync(assetPair.QuotingAssetId);
assetId = assetPair.QuotingAssetId;
amount = (internalOrder.Volume * internalOrder.Price).TruncateDecimalPlaces(asset.Accuracy, true);
}
_log.InfoWithDetails("Reserve funds for internal trade",
new { OrderId = internalOrder.Id, Asset = assetId, Amount = amount });
string error = null;
string walletId = await _settingsService.GetWalletIdAsync();
try
{
await _lykkeExchangeService.TransferAsync(internalOrder.WalletId, walletId, assetId, amount);
}
catch (NotEnoughFundsException)
{
error = Errors.NotEnoughFunds;
}
catch (Exception)
{
error = "An unexpected error occurred during reserving funds";
}
if (!string.IsNullOrEmpty(error))
{
internalOrder.Status = InternalOrderStatus.Rejected;
internalOrder.RejectReason = error;
await _internalOrderRepository.UpdateAsync(internalOrder);
return(false);
}
internalOrder.Status = InternalOrderStatus.Reserved;
await _internalOrderRepository.UpdateAsync(internalOrder);
return(true);
}
