private async Task ProcessEthBuy(AggregatedTransfer operation, IAsset asset, IClientTrade[] clientTrades, string orderId)
{
string errMsg = string.Empty;
var transferId = Guid.NewGuid();
try
{
var toAddress = await _bcnClientCredentialsRepository.GetClientAddress(operation.ClientId);
await _ethereumTransactionRequestRepository.InsertAsync(new EthereumTransactionRequest
{
AddressTo = toAddress,
AssetId = asset.Id,
ClientId = operation.ClientId,
Id = transferId,
OperationIds =
clientTrades.Where(x => x.ClientId == operation.ClientId && x.Amount > 0)
.Select(x => x.Id)
.ToArray(),
OperationType = OperationType.Trade,
OrderId = orderId,
Volume = operation.Amount
});
var res = await _srvEthereumHelper.SendTransferAsync(transferId, string.Empty, asset,
_settings.HotwalletAddress, toAddress, operation.Amount);
if (res.HasError)
{
errMsg = res.Error.ToJson();
await _log.WriteWarningAsync(nameof(TradeQueue), nameof(ProcessEthGuaranteeTransfer), errMsg, string.Empty);
}
}
catch (Exception e)
{
await _log.WriteErrorAsync(nameof(TradeQueue), nameof(ProcessEthGuaranteeTransfer), e.Message, e);
errMsg = $"{e.GetType()}\n{e.Message}";
}
if (!string.IsNullOrEmpty(errMsg))
{
await _ethClientEventLogs.WriteEvent(operation.ClientId, Event.Error, new
{
Info = $"{asset.Id} was not transferred to client",
RequestId = transferId,
Operation = operation.ToJson(),
Error = errMsg
}.ToJson());
}
}
private async Task <(AggregatedTransfer sellTransfer, AggregatedTransfer buyTransfer)> AggregateSwaps(List <TradeQueueItem.TradeInfo> swaps)
{
var marketAsset = swaps[0].MarketAsset;
var limitAsset = swaps[0].LimitAsset;
var sellTransfer = new AggregatedTransfer
{
TransferId = Guid.NewGuid().ToString(),
Asset = await _assetsServiceWithCache.TryGetAssetAsync(marketAsset),
Amount = -swaps.Sum(x => Convert.ToDecimal(x.MarketVolume))
};
var buyTransfer = new AggregatedTransfer
{
TransferId = Guid.NewGuid().ToString(),
Asset = await _assetsServiceWithCache.TryGetAssetAsync(limitAsset),
Amount = swaps.Sum(x => Convert.ToDecimal(x.LimitVolume))
};
return(sellTransfer, buyTransfer);
}