public static async Task <(Dictionary <string, WtmData> data, GetWtmCoinDataResult result)> GetWtmCoinData(IDictionary <string, double> coinHashList, bool interactive, StreamWriter logFile = null)
{
string statusBarText = "Downloading coin definitions from whattomine.com";
ViewModel.Instance.StatusBarText = statusBarText + "...";
int i = 0; int cnt = coinHashList.Count;
var wtmRequestIntervalOld = ViewModel.Instance.WtmSettings.WtmRequestInterval;
if (cnt > ViewModel.Instance.WtmSettings.DynamicRequestTrigger)
{
ViewModel.Instance.BypassUndo(() => {
if (ViewModel.Instance.WtmSettings.WtmRequestInterval < ViewModel.Instance.WtmSettings.DynamicRequestInterval)
{
ViewModel.Instance.WtmSettings.WtmRequestInterval = ViewModel.Instance.WtmSettings.DynamicRequestInterval;
}
});
}
bool errorFlag = false;
bool continueFlag = false;
bool exitEarly = false;
CancellationTokenSource cancelSource = new CancellationTokenSource();
CancellationToken token = cancelSource.Token;
ProgressManager pm = null;
if (interactive)
{
pm = new ProgressManager("Accessing whattomine.com...", cancelSource);
pm.SetIndeterminate(true);
pm.SetProgressMaxValue(cnt);
}
await RespectTimeLimit();
var wtmLinks = await WhatToMine.GetWtmLinksFromJson(token).ConfigureAwait(false);
if (token.IsCancellationRequested)
{
pm?.Close();
return(null, GetWtmCoinDataResult.Fail);
}
if (wtmLinks == null)
{
string errorMessage = "Failed to get the list of available coins from whattomine.com.";
if (interactive)
{
pm?.Close();
MessageBox.Show(errorMessage, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
if (logFile != null)
{
logFile.WriteLine(errorMessage);
}
}
return(null, GetWtmCoinDataResult.Fail);
}
if (interactive && pm != null)
{
pm.SetIndeterminate(false);
pm.SetText("Downloading " + i + " of " + cnt);
pm.SetProgressValue(0);
}
var wtmDataDict = new Dictionary <string, WtmData>();
string currentJsonStr = string.Empty;
string currentCoinHtml = string.Empty;
GetWtmCoinDataResult methodResult = GetWtmCoinDataResult.OK;
foreach (var coin in coinHashList)
{
continueFlag = false;
List <string> httpResults = new List <string>();
WtmLinks entry;
wtmLinks.TryGetValue(coin.Key, out entry);
if (entry == null)
{
string errorMessage = $"{coin.Key} has not been found among coins at http://whattomine.com/calculators. Execution aborted.";
errorFlag = true; methodResult = GetWtmCoinDataResult.CoinNotFound;
if (interactive)
{
Helpers.ShowErrorMessage(errorMessage);
}
else
{
if (logFile != null)
{
logFile.WriteLine(errorMessage);
}
}
break;
}
//Check whattomine coin status
if (!string.Equals(entry.Status, "Active", StringComparison.InvariantCultureIgnoreCase))
{
MessageBoxResult response = MessageBoxResult.OK;
string message = $"The status of {coin.Key} is reported as \"{entry.Status}\" by whattomine.com.";
if (interactive)
{
response = MessageBox.Show(message, "Coin is not active", MessageBoxButton.OKCancel, MessageBoxImage.Warning);
}
else
{
logFile.WriteLine(message);
}
if (interactive && response == MessageBoxResult.Cancel)
{
errorFlag = true;
break;
}
continue;
}
await RespectTimeLimit();
try
{
var response = await WtmHttpClient.GetAsync(entry.JsonLink + "?hr=" + coin.Value.ToString(CultureInfo.InvariantCulture), token).ConfigureAwait(false);
var result = await response.Content.ReadAsStringAsync().ConfigureAwait(false);
if (result != null && result.Contains("errors"))
{
var wtmErrorDict = JsonConverter.ConvertFromJson <Dictionary <string, object> >(result);
if (wtmErrorDict != null)
{
object errorObj = null;
wtmErrorDict.TryGetValue("errors", out errorObj);
var errorList = errorObj as ArrayList;
if (errorList != null)
{
string errorMessage = string.Join(". ", errorList.ToArray());
if (errorMessage != null)
{
throw new Exception(errorMessage);
}
}
}
}
response.EnsureSuccessStatusCode();
httpResults.Add(result);
}
catch (Exception e)
{
if (interactive && e.Message == "A task was canceled.")
{
errorFlag = true; methodResult = GetWtmCoinDataResult.Fail;
}
else
{
string errorMessage = $"Failed to download {coin.Key} definition from whattomine.com.";
//continueFlag = true;
errorFlag = true;
methodResult = GetWtmCoinDataResult.Fail;
if (interactive)
{
Helpers.ShowErrorMessage(errorMessage + "\n\n" + e.Message);
}
else
{
if (logFile != null)
{
logFile.WriteLine(errorMessage);
}
}
}
}
//if (continueFlag)
// continue;
if (errorFlag || httpResults == null)
{
break;
}
// Interpret JSON
currentJsonStr = httpResults[0];
Dictionary <string, string> json = new Dictionary <string, string>();
json = JsonConverter.ConvertFromJson <Dictionary <string, string> >(currentJsonStr);
if (json == null)
{
string errorMessage = $"Failed to interpret {coin.Key} definition from whattomine.com.";
errorFlag = true; methodResult = GetWtmCoinDataResult.Fail;
if (interactive)
{
Helpers.ShowErrorMessage(errorMessage);
}
else
{
if (logFile != null)
{
logFile.WriteLine(errorMessage);
}
}
break;
}
else
{
var defaultHashrate = coin.Value;
wtmDataDict.Add(coin.Key, new WtmData {
DefaultHashrate = defaultHashrate, Json = json
});
}
if (pm != null && !pm.IsAlive)
{
exitEarly = true;
break;
}
i++;
if (interactive && pm != null)
{
pm.SetText("Downloaded " + i + " of " + cnt);
pm.SetProgressValue(i);
}
else
{
ViewModel.Instance.StatusBarText = statusBarText + ": " + i + " of " + cnt;
}
}
ViewModel.Instance.BypassUndo(() => ViewModel.Instance.WtmSettings.WtmRequestInterval = wtmRequestIntervalOld);
ViewModel.Instance.UpdateNextJobStatus();
if (!exitEarly && interactive)
{
pm?.Close();
}
if (errorFlag || exitEarly)
{
return(null, methodResult);
}
if (!interactive && (logFile != null))
{
var noun = wtmDataDict.Count == 1 ? "coin" : "coins";
logFile.WriteLine($"The list of {wtmDataDict.Count} whattomine.com {noun} has been downloaded.");
}
return(wtmDataDict, GetWtmCoinDataResult.OK);
}