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Jkorf 2025-03-14 15:10:17 +01:00
parent f151b961a5
commit a8907c7ea5
2 changed files with 23 additions and 1 deletions
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19
CryptoExchange.Net/ExchangeHelpers.cs
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@ -15,6 +15,7 @@ namespace CryptoExchange.Net
public static class ExchangeHelpers
{
private const string _allowedRandomChars = "ABCDEFGHIJKLMONOPQRSTUVWXYZabcdefghijklmonopqrstuvwxyz0123456789";
private const string _allowedRandomHexChars = "0123456789ABCDEF";
private static readonly Dictionary<int, string> _monthSymbols = new Dictionary<int, string>()
{
@ -192,6 +193,24 @@ namespace CryptoExchange.Net
return new string(randomChars);
}
/// <summary>
/// Generate a random string of specified length
/// </summary>
/// <param name="length">Length of the random string</param>
/// <returns></returns>
public static string RandomHexString(int length)
{
#if NET9_0_OR_GREATER
return "0x" + RandomNumberGenerator.GetHexString(length * 2);
#else
var randomChars = new char[length * 2];
var random = new Random();
for (int i = 0; i < length * 2; i++)
randomChars[i] = _allowedRandomHexChars[random.Next(0, _allowedRandomHexChars.Length)];
return "0x" + new string(randomChars);
#endif
}
/// <summary>
/// Generate a long value
/// </summary>

5
CryptoExchange.Net/ExchangeSymbolCache.cs
View File

@ -38,8 +38,11 @@ namespace CryptoExchange.Net
/// </summary>
/// <param name="topicId">Id for the provided data</param>
/// <param name="symbolName">Symbol name</param>
public static SharedSymbol? ParseSymbol(string topicId, string symbolName)
public static SharedSymbol? ParseSymbol(string topicId, string? symbolName)
{
if (symbolName == null)
return null;
if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
return null;