public async Task loadDifficultyData(DateTime lastDate)
{
if (lastDate.Date != DateTime.Today)
{
// this assumes that there is only one day missing...
// or that the difficulty has not changed since the last date, and today's date
double daysMissing = (DateTime.Today - lastDate.Date).TotalDays;
long currentNetworkDifficulty = 0;
string blockexplorer_cache = "networkDifficulty";
string result = "";
if (HttpContext.Cache[blockexplorer_cache] == null)
{
result = await service.GetBlockExplorerDifficultyAsync();
HttpContext.Cache.Insert(blockexplorer_cache, result, null, DateTime.UtcNow.AddHours(1), TimeSpan.Zero);
}
else
{
result = (HttpContext.Cache[blockexplorer_cache].ToString());
}
currentNetworkDifficulty = Convert.ToInt64(Convert.ToDouble(result));
for (int day = 1; day <= daysMissing; day++)
{
metahistory m = new metahistory();
m.date = lastDate.AddDays(day);
m.difficulty = currentNetworkDifficulty;
database.metahistories.Add(m);
}
string msg = String.Format("Updated simcoin with {0} days of histories.", daysMissing);
sendEmail("*****@*****.**", msg, "simcoin update");
database.SaveChanges();
}
}
public void loadArchivedDifficultyData()
{
var reader = new StreamReader(System.IO.File.OpenRead(HttpContext.Server.MapPath("~/Content/bitcoin-v2.csv")));
List<string> listDates = new List<string>();
List<string> listDifficulties = new List<string>();
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
var values = line.Split(',');
listDates.Add(values[0]);
listDifficulties.Add(values[1]);
}
int addedDays = 0;
StringBuilder s = new StringBuilder();
DateTime lastDate = (from m in database.metahistories orderby m.date descending select m.date).FirstOrDefault();
for (int i = 0; i <= 500; i++)
{
addedDays = addedDays + 1;
DateTime currentDay = lastDate.AddDays(addedDays);
if (currentDay.Date > DateTime.Now.Date)
break;
Int64 difficulty = 1;
Int64 lastDifficulty = 1;
for (int x = 0; x < listDates.Count; x++)
{
if (x > 0)
{
lastDifficulty = Int64.Parse(listDifficulties[x - 1]);
}
DateTime found = DateTime.Parse(listDates[x]);
difficulty = Int64.Parse(listDifficulties[x]);
//System.Diagnostics.Debug.Print(found.ToShortDateString() + "," + currentDay.ToShortDateString() + ":" + (currentDay.Date <= found.Date).ToString() + difficulty);
if (currentDay.Date < found.Date)
{
break;
}
if (currentDay.Date == found.Date || ((x == listDates.Count - 1) && currentDay.Date > found.Date))
{
lastDifficulty = difficulty;
break;
}
}
// now we need to find the corresponding difficulty...
s.AppendLine(i.ToString() + ": " + currentDay.ToShortDateString() + ": " + lastDifficulty + "<br />");
// now check to see if there are any days in the database that support this one already...
//metahistory r = (from m in database.metahistories where m.date.Equals(currentDay) select m).FirstOrDefault();
//if (r == null)
//{
metahistory a = new metahistory();
a.date = currentDay;
a.difficulty = lastDifficulty;
database.metahistories.Add(a);
//}
}
database.SaveChanges();
}