public async Task <IBitcoinPrice> GetPriceAsync(HarvestTask task)
{
if (task.Origin != Origin.GDAX)
{
this._logger.LogError("Task exchange service differs");
return(null);
}
string method = "products/" + this.APICurrencyId[task.Pair] + "/ticker";
this._logger.LogInformation("Fetch new price");
HttpResponseMessage response = await _gdaxClient.GetAsync(method);
if (!response.IsSuccessStatusCode)
{
this._logger.LogError("Error response from exchange API");
return(null);
}
String json = await response.Content.ReadAsStringAsync();
GdaxBitcoinPrice price = JsonConvert.DeserializeObject <GdaxBitcoinPrice>(json, this._serializer);
price.Currency = task.Pair;
return(price);
}
public async Task Execute(CancellationToken token)
{
while (!token.IsCancellationRequested)
{
HarvestTask task = this._taskQueue.Take(token);
IHarvestingService harvester = this._harvestingServiceFactory.GetHarvestingService(task.Origin);
IBitcoinPrice price = await harvester.GetPriceAsync(task);
this._repositoryService.Persist(price);
}
}
