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Code Issues Releases Wiki Activity

Updated rate limiting margins

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Jkorf
2026-09-21 16:17:34 +02:00
parent b8baaf55b5
commit ab17a88e33
9 changed files with 115 additions and 32 deletions
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CryptoExchange.Net/RateLimiting/Guards/SingleLimitGuard.cs
+10 -2
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@@ -24,6 +24,7 @@ namespace CryptoExchange.Net.RateLimiting.Guards
private readonly Dictionary<string, IWindowTracker> _trackers;
private readonly RateLimitWindowType _windowType;
private readonly double? _decayRate;
private readonly TimeSpan _safetyMargin;
private readonly int _limit;
private readonly TimeSpan _period;
private readonly Func<RequestDefinition, string?, string> _keySelector;
@@ -34,6 +35,11 @@ namespace CryptoExchange.Net.RateLimiting.Guards
/// <inheritdoc />
public string Description => _windowType == RateLimitWindowType.Decay ? $"Endpoint limit of {_limit} with a decay rate of {_decayRate}" : $"Limit of {_limit} per {_period}";
/// <summary>
/// Additional time to wait after a rate limit window expires to account for latency and timing differences
/// </summary>
public TimeSpan SafetyMargin => _safetyMargin;
/// <summary>
/// ctor
/// </summary>
@@ -41,6 +47,7 @@ namespace CryptoExchange.Net.RateLimiting.Guards
int limit,
TimeSpan period,
RateLimitWindowType windowType,
TimeSpan? safetyMargin = null,
double? decayRate = null,
Func<RequestDefinition, string?, string>? keySelector = null)
{
@@ -48,6 +55,7 @@ namespace CryptoExchange.Net.RateLimiting.Guards
_period = period;
_windowType = windowType;
_decayRate = decayRate;
_safetyMargin = safetyMargin ?? WindowTrackerHelpers.GetDefaultSafetyMargin(period);
_keySelector = keySelector ?? Default;
_trackers = new Dictionary<string, IWindowTracker>();
}
@@ -84,8 +92,8 @@ namespace CryptoExchange.Net.RateLimiting.Guards
/// <returns></returns>
protected IWindowTracker CreateTracker()
{
return _windowType == RateLimitWindowType.Sliding ? new SlidingWindowTracker(_limit, _period)
: _windowType == RateLimitWindowType.Fixed ? new FixedWindowTracker(_limit, _period) :
return _windowType == RateLimitWindowType.Sliding ? new SlidingWindowTracker(_limit, _period, _safetyMargin)
: _windowType == RateLimitWindowType.Fixed ? new FixedWindowTracker(_limit, _period, _safetyMargin) :
new DecayWindowTracker(_limit, _period, _decayRate ?? throw new InvalidOperationException("Decay rate not provided"));
}