public async Task <DailyTokensSnapshot> GetTokensSnapshotForDate(DateTime date)
{
var today = DateTime.UtcNow.Date;
if (date.Date == today)
{
var syncError = await SyncTotalTokensAsync();
if (syncError != TokensErrorCodes.None)
{
_log.Warning("Couldn't sync total tokens supply with PBF", context: syncError.ToString());
}
return(DailyTokensSnapshot.Create
(today, _totalTokensAmount, _totalTokensInCustomersWallets, _todaysEarnedAmount,
_todaysBurnedAmount, DateTime.UtcNow));
}
var dateAsString = date.ToTokensStatisticsDateString();
var result = await _tokensSnapshotRepository.GetTokensSnapshotByDate(dateAsString);
if (result == null)
{
result = new DailyTokensSnapshot {
ErrorCode = TokensErrorCodes.StatisticsNotFound
}
}
;
return(result);
}
public async Task SaveTokensSnapshotAsync(DailyTokensSnapshot dailyTokensSnapshot)
{
var entity = DailyTokensSnapshotEntity.Create(dailyTokensSnapshot);
using (var context = _contextFactory.CreateDataContext())
{
context.DailyTokensSnapshots.Add(entity);
await context.SaveChangesAsync();
}
}
public static DailyTokensSnapshotEntity Create(DailyTokensSnapshot dailyTokensSnapshot)
{
return(new DailyTokensSnapshotEntity
{
Date = dailyTokensSnapshot.Date,
TotalTokens = dailyTokensSnapshot.TotalTokensAmount,
Timestamp = dailyTokensSnapshot.Timestamp,
TotalEarnedTokens = dailyTokensSnapshot.TotalEarnedTokensAmount,
TotalBurnedTokens = dailyTokensSnapshot.TotalBurnedTokensAmount,
TotalTokensInCustomersWallets = dailyTokensSnapshot.TotalTokensInCustomersWallets,
});
}
public async Task SaveTokensSnapshotAsync()
{
var now = DateTime.UtcNow;
var dateOfSnapshot = now.Date;
//This check if the save started after midnight, if not do not subtract one day
if (now.Hour < 12)
{
dateOfSnapshot = dateOfSnapshot.AddDays(-1);
}
_log.Info($"Started the snapshot procedure of total tokens statistics in the system for {dateOfSnapshot}");
var syncError = await SyncTotalTokensAsync();
if (syncError != TokensErrorCodes.None)
{
_log.Warning("Couldn't sync total tokens supply with PBF", context: syncError.ToString());
}
try
{
var timestampOfSnapshot = DateTime.UtcNow;
var dailyTokensHistory = DailyTokensSnapshot.Create
(dateOfSnapshot, _totalTokensAmount, _totalTokensInCustomersWallets, _todaysEarnedAmount,
_todaysBurnedAmount, timestampOfSnapshot);
await _tokensSnapshotRepository.SaveTokensSnapshotAsync(dailyTokensHistory);
_todaysBurnedAmount = _todaysEarnedAmount = 0;
}
catch (Exception e)
{
_log.Error(e, "Exception occured during daily snapshot of total tokens amount");
}
_log.Info($"Finished the snapshot procedure of total tokens in the system for {dateOfSnapshot}");
}