public void SaveState()
{
List <string[]> array_list = new List <string[]>();
array_list.Add(new string[]
{
LastUpdateDateTime.ToString(),
"",
"",
"",
""
});
foreach (TradingCalenderEvent trading_calender_event in event_list)
{
array_list.Add(new string[]
{
trading_calender_event.EventTimeUTC.ToString(),
trading_calender_event.Symbol,
trading_calender_event.Description,
trading_calender_event.IsAllDay.ToString(),
ToolsString.DictionaryToString(trading_calender_event.Tags)
});
}
ToolsIOCSV.WriteCSVFile(database_path, ToolsCollection.ConvertToArray2D(array_list));
}
public static BigInteger mpz_shash(
String input)
{
/* hash the input */
String digest = h(input);
/* convert the digest to a hexadecimal encoded string */
String hex_digest = ToolsString.ConvertToStringHex(digest);
/* convert the hexadecimal encoded string to an mpz-integer */
return(BigInteger.Parse(hex_digest, System.Globalization.NumberStyles.HexNumber));
}
public void LoadState()
{
string [,] table = ToolsIOCSV.ReadCSVFile(database_path);
LastUpdateDateTime = DateTimeUTC.Parse(table[0, 0]);
for (int index_0 = 1; index_0 < table.GetLength(0); index_0++)
{
event_list.Add(new TradingCalenderEvent(
DateTimeUTC.Parse(table[index_0, 0]),
table[index_0, 1],
table[index_0, 2],
bool.Parse(table[index_0, 3]),
ToolsString.StringToDictionary(table[index_0, 4])));
}
}
/*
* Hashing of the public inputs (aka Fiat-Shamir heuristic) with h(),
* e.g. to make some proofs of knowledge non-interactive.
*/
public static BigInteger mpz_shash(
BigInteger [] array)
{
String acc = "";
/* concatenate all the arguments */
for (int i = 0; i < array.Length; i++)
{
acc += ToolsString.ConvertToStringHex(array[i].ToString()) + "|";
}
/* hash arguments */
return(mpz_shash(acc));
}
public static BigInteger ReverseDigits(
BigInteger value)
{
return(BigInteger.Parse(ToolsString.Reverse(value.ToString())));
}
public static BigInteger mpz_shash(
BigInteger value)
{
return(mpz_shash(ToolsString.ConvertToStringHex(value.ToString()) + "|"));
}
// hash function h() (collision-resistant?)
public static String h(
String input)
{
return(ToolsString.ConvertToString(s_algoritm.ComputeHash(ToolsString.ConvertToBytes(input))));
}
