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fix tracer name empty exception #6915

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Original file line number Diff line number Diff line change
Expand Up @@ -43,4 +43,20 @@ public void IsNativeTracer_TracerNameDoesNotExist()

Assert.False(isNativeTracer);
}

[Test]
public void CreateTracer_TracerNameIsEmpty()
{
var isNativeTracer = GethLikeNativeTracerFactory.IsNativeTracer(string.Empty);

Assert.False(isNativeTracer);
}

[Test]
public void CreateTracer_TracerNameIsNull()
{
var isNativeTracer = GethLikeNativeTracerFactory.IsNativeTracer(null);

Assert.False(isNativeTracer);
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ public static GethLikeNativeTxTracer CreateTracer(GethTraceOptions options) =>

public static bool IsNativeTracer(string tracerName)
{
return _tracers.ContainsKey(tracerName);
return !string.IsNullOrWhiteSpace(tracerName) && _tracers.ContainsKey(tracerName);
}

private static void RegisterNativeTracers()
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