consensus/ethash: fix the algorithm of fakeBlockNumber in comments (#17166)

correct the algorithm in the comments for fakeBlockNumber, from "min" to "max".
This commit is contained in:
Kwuaint 2018-07-12 18:32:23 +08:00 committed by Péter Szilágyi
parent e8824f6e74
commit facf1bc9d6

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