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Potential DoS in middleware (currently unreachable) #509

@jholdstock

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@jholdstock

It is possible that HTTP request handlers can hit a 7 second delay in the broadcastTicket middleware, which could potentially be a DoS vector if clients send many requests which deliberately enter this loop.

However, the loop cannot currently be entered because this string was updated in dcrd and the vspd copy was not updated to match.

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