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I don't know where I've read that you may only increase ntime, and only upto 60 seconds. Reading ck's pool source I find
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Alas that code doesn't consider the actual restrictions in bitcoin.I don't know where I've read that you may only increase ntime, and only upto 60 seconds. Reading ck's pool source I find
Quote
/* Ntime cannot be less, but allow forward ntime rolling up to max */
if (ntime32 < wb->ntime32 || ntime32 > wb->ntime32 + 7000) {
err = SE_NTIME_INVALID;
So at least ckpool allows upto 7000x! No more xnonce2 rollover needed for small miners if (ntime32 < wb->ntime32 || ntime32 > wb->ntime32 + 7000) {
err = SE_NTIME_INVALID;
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He has no idea about it.