public Task UpdateBalancesAsync(IDbConnection con, IDbTransaction tx, PoolConfig poolConfig,
IPayoutHandler payoutHandler, Block block, decimal blockReward)
{
var payoutConfig = poolConfig.PaymentProcessing.PayoutSchemeConfig;
// PPLNS window (see https://bitcointalk.org/index.php?topic=39832)
var window = payoutConfig?.ToObject <Config>()?.Factor ?? 2.0m;
// calculate rewards
var shares = new Dictionary <string, ulong>();
var rewards = new Dictionary <string, decimal>();
var shareCutOffDate = CalculateRewards(poolConfig, window, block, blockReward, shares, rewards);
// update balances
foreach (var address in rewards.Keys)
{
var amount = rewards[address];
if (amount > 0)
{
logger.Info(() => $"Adding {payoutHandler.FormatAmount(amount)} to balance of {address} for {shares[address]} shares");
balanceRepo.AddAmount(con, tx, poolConfig.Id, poolConfig.Coin.Type, address, amount);
}
}
// delete obsolete shares
if (shareCutOffDate.HasValue)
{
var cutOffCount = shareRepo.CountPoolSharesBefore(con, tx, poolConfig.Id, shareCutOffDate.Value);
if (cutOffCount > 0)
{
logger.Info(() => $"Deleting {cutOffCount} obsolete shares before {shareCutOffDate.Value}");
shareRepo.DeletePoolSharesBefore(con, tx, poolConfig.Id, shareCutOffDate.Value);
}
//logger.Info(() => $"Shares before {shareCutOffDate.Value} can be deleted");
}
// diagnostics
var totalShareCount = shares.Values.ToList().Sum(x => new decimal(x));
var totalRewards = rewards.Values.ToList().Sum(x => x);
if (totalRewards > 0)
{
logger.Info(() => $"{totalShareCount} shares contributed to a total payout of {payoutHandler.FormatAmount(totalRewards)} ({totalRewards / blockReward * 100:0.00}% of block reward)");
}
return(Task.FromResult(true));
}