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-rw-r--r--core/chain_util.go4
1 files changed, 2 insertions, 2 deletions
diff --git a/core/chain_util.go b/core/chain_util.go
index 34f6c8d0a..84b462ce3 100644
--- a/core/chain_util.go
+++ b/core/chain_util.go
@@ -32,7 +32,7 @@ import (
var (
blockHashPre = []byte("block-hash-")
blockNumPre = []byte("block-num-")
- expDiffPeriod = big.NewInt(100000)
+ ExpDiffPeriod = big.NewInt(100000)
)
// CalcDifficulty is the difficulty adjustment algorithm. It returns
@@ -57,7 +57,7 @@ func CalcDifficulty(time, parentTime uint64, parentNumber, parentDiff *big.Int)
}
periodCount := new(big.Int).Add(parentNumber, common.Big1)
- periodCount.Div(periodCount, expDiffPeriod)
+ periodCount.Div(periodCount, ExpDiffPeriod)
if periodCount.Cmp(common.Big1) > 0 {
// diff = diff + 2^(periodCount - 2)
expDiff := periodCount.Sub(periodCount, common.Big2)