gofmt
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3b6c079014
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@ -38,16 +38,16 @@ func (cs *ChainStore) Weight(ctx context.Context, ts *types.TipSet) (types.BigIn
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if tpow.GreaterThan(zero) {
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log2P = int64(tpow.BitLen() - 1)
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} else {
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// Not really expect to be here ...
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// Not really expect to be here ...
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return types.EmptyInt, xerrors.Errorf("All power in the net is gone. You network might be disconnected, or the net is dead!")
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}
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out.Add(out, big.NewInt(log2P << 8))
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out.Add(out, big.NewInt(log2P<<8))
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// (wFunction(totalPowerAtTipset(ts)) * len(ts.blocks) * wRatio_num * 2^8) / (e * wRatio_den)
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eWeight := big.NewInt((log2P * int64(len(ts.Blocks())) * build.WRatioNum) << 8)
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eWeight.Div(eWeight, big.NewInt(int64(build.BlocksPerEpoch * build.WRatioDen)))
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eWeight.Div(eWeight, big.NewInt(int64(build.BlocksPerEpoch*build.WRatioDen)))
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out.Add(out, eWeight)
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return types.BigInt{Int: out}, nil
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@ -170,7 +170,7 @@ 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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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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@ -183,7 +183,7 @@ func PowerCmp(eproof ElectionProof, mpow, totpow BigInt) bool {
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// rhs = minerPower << 256
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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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// h(vrfout) * totalPower < e * minerPower * 2^256?
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return lhs.Cmp(rhs) == -1
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}
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