change with @Kubuxu's comment
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@ -170,12 +170,13 @@ func PowerCmp(eproof ElectionProof, mpow, totpow BigInt) bool {
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max(h) == 2^256-1
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which in terms of integer math means:
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(h(vrfout) + 1) * totalPower <= e * minerPower * 2^256
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in 2^256 space, it is equivalent to:
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h(vrfout) * totalPower < e * minerPower * 2^256
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*/
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h := sha256.Sum256(eproof)
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lhs := BigFromBytes(h[:]).Int
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lhs = lhs.Add(lhs, NewInt(1).Int)
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lhs = lhs.Mul(lhs, totpow.Int)
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// rhs = minerPower * 2^256
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@ -183,8 +184,8 @@ func PowerCmp(eproof ElectionProof, mpow, totpow BigInt) bool {
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rhs := new(big.Int).Lsh(mpow.Int, 256)
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rhs = rhs.Mul(rhs, blocksPerEpoch.Int)
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// return true if lhs is less than or equal to rhs
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return lhs.Cmp(rhs) <= 0
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// h(vrfout) * totalPower < e * minerPower * 2^256?
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return lhs.Cmp(rhs) == -1
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}
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func (t *Ticket) Equals(ot *Ticket) bool {
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