public static AssetCoinholdersViewModel Create(AssetViewModel asset,
IBalanceSummary balanceSummary,
int?atBlockHeight,
IDictionary <string, double> addressChanges,
IEnumerable <IBalanceBlock> blocksWithChanges,
IBlockHeader currentBlock,
IBlockHeader atBlockInfo)
{
var total = balanceSummary.AddressSummaries.Sum(p => p.Balance);
var addressSummaries = balanceSummary.AddressSummaries
.Select(
p =>
BalanceAddressSummary.Create(p, total, asset.Divisibility,
addressChanges.ContainsKey(p.Address) ? addressChanges[p.Address] : 0))
.Where(p => p.Balance != 0 || p.ChangeAtBlock != 0)
.OrderByDescending(p => p.Balance)
.ToList();
return(new AssetCoinholdersViewModel
{
Asset = asset,
AddressSummaries = addressSummaries,
Total = BitcoinUtils.CalculateColoredAssetQuantity(total, asset.Divisibility),
Pagination = BlockPagination.Create(blocksWithChanges.Select(p => p.Height), atBlockHeight ?? currentBlock?.Height, currentBlock),
CoinholdersCount = addressSummaries.Count,
AtBlockDateTime = (atBlockInfo ?? currentBlock)?.Time.ToUniversalTime()
});
}
public static AssetCoinholdersIndex Create(IBalanceSummary balanceSummary, IEnumerable <IBalanceBlock> blocksWithChanges, int transactionCount, int lastMonthTransactionCount, DateTime?lastTxDate)
{
var addressDic = balanceSummary.AddressSummaries.GroupBy(p => p.Address).Where(p => p.Sum(x => x.Balance) != 0).ToDictionary(p => p.Key, p => p.Sum(x => x.Balance));
var totalQuantity = addressDic.Sum(p => p.Value);
return(new AssetCoinholdersIndex
{
AssetIds = balanceSummary.AssetIds,
CoinholdersCount = addressDic.Count,
TotalQuantity = totalQuantity,
HerfindalShareIndex = HerfindahlIndex.Calculate(addressDic.Values.Select(p => HerfindahlIndex.CalculateShare(p, totalQuantity))),
TopCoinholderShare = HerfindahlIndex.CalculateShare(addressDic.Values.DefaultIfEmpty().Max(), totalQuantity),
TransactionsCount = transactionCount,
LastTxDate = lastTxDate,
LastMonthTransactionCount = lastMonthTransactionCount
});
}
