consensus/ethash: fix byzantium difficulty comment typo (#15842)

This commit is contained in:
gary rong 2018-01-10 16:58:03 +08:00 committed by Péter Szilágyi
parent 83d1657444
commit 3a5a5599dd

@ -347,7 +347,7 @@ func calcDifficultyByzantium(time uint64, parent *types.Header) *big.Int {
if x.Cmp(bigMinus99) < 0 {
x.Set(bigMinus99)
}
// (parent_diff + parent_diff // 2048 * max(1 - (block_timestamp - parent_timestamp) // 10, -99))
// parent_diff + (parent_diff / 2048 * max((2 if len(parent.uncles) else 1) - ((timestamp - parent.timestamp) // 9), -99))
y.Div(parent.Difficulty, params.DifficultyBoundDivisor)
x.Mul(y, x)
x.Add(parent.Difficulty, x)