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using System;
namespace TwoStepsAuthenticator {
/// <summary>
/// Manages used code to prevent repeated use of a code.
/// </summary>
public interface IUsedCodesManager {
/// <summary>
/// Adds secret/code pair.
/// </summary>
/// <param name="challenge">Used Challenge</param>
/// <param name="code">Used Code</param>
/// <param name="user">The user</param>
void AddCode(long timestamp, string code, object user);
/// <summary>
/// Checks if code was previously used.
/// </summary>
/// <param name="challenge">Used Challenge</param>
/// <param name="code">Used Code</param>
/// <param name="user">The user</param>
/// <returns>True if the user as already used the code</returns>
bool IsCodeUsed(long timestamp, string code, object user);
}
}
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