public async Task <CoinData> GetDataAsync(CancellationToken cancellationToken = default)
{
await this._coinLock.WaitAsync(cancellationToken).ConfigureAwait(false);
try
{
// attempt to get cached first to avoid hammering APIs
if (_cachedCoinData != null && DateTime.UtcNow < this._coinDateCacheTimeUTC + this._cachingOptions.CurrentValue.DataCacheLifetime)
{
this._log.LogTrace("Found valid cached coin data, skipping APIs request");
return(_cachedCoinData);
}
this._log.LogInformation("Downloading all coin data");
// start downloading
Task <ExplorerNetworkData> explorerNetworkTask = this._explorerClient.GetNetworkDataAsync(cancellationToken);
Task <ExplorerEmissionData> explorerEmissionTask = this._explorerClient.GetEmissionDataAsync(cancellationToken);
Task <TxBitData> txbitTask = this._txbitClient.GetDataAsync(cancellationToken);
// use explorer result to get last block data
ExplorerNetworkData explorerNetworkData = await explorerNetworkTask.ConfigureAwait(false);
Task <ExplorerBlockData> explorerBlockTask = this._explorerClient.GetBlockDataAsync(explorerNetworkData.TopBlockHash, cancellationToken);
// await all remaining data
TxBitData txbitData = await txbitTask.ConfigureAwait(false);
ExplorerBlockData explorerBlockData = await explorerBlockTask.ConfigureAwait(false);
ExplorerEmissionData explorerEmissionData = await explorerEmissionTask.ConfigureAwait(false);
// aggregate all data and return
this._cachedCoinData = new CoinData(txbitData.CurrencyName, txbitData.CurrencyCode)
{
Supply = explorerEmissionData.CirculatingSupply,
MarketCap = txbitData.MarketCap,
BtcPrice = txbitData.BidPrice,
BlockHeight = explorerNetworkData.BlockHeight,
BlockReward = explorerBlockData.Transactions.First(tx => tx.IsCoinbase).OutputsSum,
Difficulty = explorerNetworkData.Difficulty,
Hashrate = explorerNetworkData.Hashrate,
LastBlockTime = explorerBlockData.Timestamp,
TargetBlockTime = explorerNetworkData.TargetBlockTime,
TopBlockHash = explorerBlockData.Hash,
TransactionsCount = explorerNetworkData.TransactionsCount
};
this._coinDateCacheTimeUTC = DateTime.UtcNow;
return(this._cachedCoinData);
}
finally
{
try { this._coinLock.Release(); } catch { }
}
}
public Embed Build(ExplorerBlockData data, IMessage message)
{
EmbedBuilder builder = this.CreateDefaultEmbed(message);
builder.Title = $"Block {data.Height}";
builder.Url = $"http://explorer.wallstreetbetsbros.com/block/{data.Height}";
builder.Description = $"***Height***: {data.Height} ({data.TopBlockHeight - data.Height + 1} blocks ago)\n" +
$"***Hash***: {data.Hash}\n" +
$"***Difficulty***: {data.Difficulty.ToString("N0", CultureInfo.InvariantCulture)}\n" +
$"***Reward***: {data.Transactions.First(tx => tx.IsCoinbase).OutputsSum} {this._options.CoinCode}\n" +
$"***Size***: {TrimUnits(data.Size, new string[] { "B", "kB", "MB", "GB", "TB", "PB" })}\n" +
$"***Transactions***: {data.Transactions.Count()}\n" +
$"***Created***: {(DateTimeOffset.UtcNow - data.Timestamp).ToDisplayString()} ago";
return(builder.Build());
}