consensus/ethash: fix the algorithm of fakeBlockNumber in comments (#17166)
correct the algorithm in the comments for fakeBlockNumber, from "min" to "max".
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@ -357,7 +357,7 @@ func calcDifficultyByzantium(time uint64, parent *types.Header) *big.Int {
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}
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// calculate a fake block number for the ice-age delay:
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// calculate a fake block number for the ice-age delay:
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// https://github.com/ethereum/EIPs/pull/669
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// https://github.com/ethereum/EIPs/pull/669
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// fake_block_number = min(0, block.number - 3_000_000
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// fake_block_number = max(0, block.number - 3_000_000)
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fakeBlockNumber := new(big.Int)
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fakeBlockNumber := new(big.Int)
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if parent.Number.Cmp(big2999999) >= 0 {
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if parent.Number.Cmp(big2999999) >= 0 {
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fakeBlockNumber = fakeBlockNumber.Sub(parent.Number, big2999999) // Note, parent is 1 less than the actual block number
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fakeBlockNumber = fakeBlockNumber.Sub(parent.Number, big2999999) // Note, parent is 1 less than the actual block number
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