public void Get_All_HistoricalData()
{
var reader = new CryptoReader();
var df = Frame.FromColumns(CoinPrices(reader, reader.GetCoinList().Select(c => c.Symbol), new DateTime(2017, 10, 10)));
df.SaveCsv(Path.Combine(@"G:\temp\Crypto", DateTime.Now.ToString("yyyyMMdd_HHmmss_ffffff") + ".csv"), true);
}
/// <summary>
/// Applies the appropriate cryptographic transformations on each column of the file.
/// </summary>
/// <remarks>
/// The cryptographic operation performed for each column is determined by evaluating the
/// differences between the reader and writer file encryption settings for the column. If there is no
/// difference, then no transformation is performed.
/// </remarks>
public void Transform()
{
IList <FileEncryptionSettings> readerSettings = CryptoReader.FileEncryptionSettings;
IList <FileEncryptionSettings> writerSettings = CryptoWriter.FileEncryptionSettings;
CryptoReader.Read()
.Select(chunk => TransformChunk(readerSettings, writerSettings, chunk))
.ForEach(encodedChunk => CryptoWriter.Write(encodedChunk));
}
public void Get_HistoricalData(params string[] symbols)
{
var reader = new CryptoReader();
var df = Frame.FromColumns(CoinPrices(reader, symbols, new DateTime(2017, 10, 10)));
var filePath = Path.Combine(@"G:\temp\Crypto", DateTime.Now.ToString("yyyyMMdd_HHmmss_ffffff") + ".csv");
df.SaveCsv(filePath, true);
Process.Start(filePath);
}
public void Get_CoinList()
{
var reader = new CryptoReader();
var coins = reader.GetCoinList().ToList();
Assert.IsNotEmpty(coins);
Console.WriteLine("==================ProofType===============");
Console.WriteLine(string.Join(Environment.NewLine, coins.Select(_ => _.ProofType.Trim()).Distinct()));
Console.WriteLine("==================Algorithm===============");
Console.WriteLine(string.Join(Environment.NewLine, coins.Select(_ => _.Algorithm.Trim()).Distinct()));
}
private IEnumerable <KeyValuePair <string, Series <DateTime, decimal> > > CoinPrices(CryptoReader reader, IEnumerable <string> symbols, DateTime fromDate)
{
foreach (var symbol in symbols)
{
var data = reader.GetHistoricalData(symbol, "USD", fromDate, DateTime.UtcNow.Date).ToArray();
if (!data.Any())
{
continue;
}
yield return(KeyValue.Create(symbol, new Series <DateTime, decimal>(data.Select(p => KeyValue.Create(DateHelper.FromEpochTime(p.Time), p.Close)))));
}
}
