public override async Task GetPublicTradeUpdates(PublicTradesUpdatesRequest request,
IServerStreamWriter <PublicTradeUpdate> responseStream,
ServerCallContext context)
{
Console.WriteLine($"New public trades stream connect. peer:{context.Peer}");
var data = await _tradesAdapterClient.GetTradesByAssetPairIdAsync(request.AssetPairId, 0, 50);
var trades = _mapper.Map <List <PublicTrade> >(data.Records);
var initData = new PublicTradeUpdate();
initData.Trades.AddRange(trades);
var streamInfo = new StreamInfo <PublicTradeUpdate>
{
Stream = responseStream,
CancelationToken = context.CancellationToken,
Keys = new [] { request.AssetPairId },
Peer = context.Peer
};
var task = await _publicTradesStreamService.RegisterStreamAsync(streamInfo, new List <PublicTradeUpdate> {
initData
});
await task;
}
public override async Task <PublicTradeUpdate> GetPublicTrades(PublicTradesRequest request, ServerCallContext context)
{
var data = await _tradesAdapterClient.GetTradesByAssetPairIdAsync(request.AssetPairId, request.Offset, request.Take);
var result = new PublicTradeUpdate();
result.Trades.AddRange(_mapper.Map <List <PublicTrade> >(data.Records));
return(result);
}
private async Task ProcessMessageAsync(List <Trade> message)
{
if (!message.Any())
{
return;
}
var tradesByAssetId = message.GroupBy(x => x.AssetPairId);
var tasks = new List <Task>();
foreach (var tradeByAsset in tradesByAssetId)
{
var tradesUpdate = new PublicTradeUpdate();
tradesUpdate.Trades.AddRange(_mapper.Map <List <PublicTrade> >(tradeByAsset.ToList()));
tasks.Add(_publicTradesStreamService.WriteToStreamAsync(tradesUpdate, tradeByAsset.Key));
}
await Task.WhenAll(tasks);
}
