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| author | Jeffrey Wilcke <geffobscura@gmail.com> | 2016-05-12 22:58:05 +0800 |
|---|---|---|
| committer | Jeffrey Wilcke <geffobscura@gmail.com> | 2016-05-12 23:31:57 +0800 |
| commit | aa18aad7adb4c80a36f6c5f84561280420212231 (patch) | |
| tree | 6419e5e9f374aca223c16416fdc42d871bd3b8fa | |
| parent | 594328c1121f997748cc5fe87f493db94827e1ec (diff) | |
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[release/1.4.4] core: fixed pointer assignment
This fixes an issue where it's theoretical possible to cause a consensus
failure when hitting the lower end of the difficulty, though pratically
impossible it's worth a fix.
| -rw-r--r-- | core/block_validator.go | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/block_validator.go b/core/block_validator.go index 555c5ee06..801d2572b 100644 --- a/core/block_validator.go +++ b/core/block_validator.go @@ -292,7 +292,7 @@ func calcDifficultyHomestead(time, parentTime uint64, parentNumber, parentDiff * // minimum difficulty can ever be (before exponential factor) if x.Cmp(params.MinimumDifficulty) < 0 { - x = params.MinimumDifficulty + x.Set(params.MinimumDifficulty) } // for the exponential factor @@ -325,7 +325,7 @@ func calcDifficultyFrontier(time, parentTime uint64, parentNumber, parentDiff *b diff.Sub(parentDiff, adjust) } if diff.Cmp(params.MinimumDifficulty) < 0 { - diff = params.MinimumDifficulty + diff.Set(params.MinimumDifficulty) } periodCount := new(big.Int).Add(parentNumber, common.Big1) |