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-rw-r--r--pow/dagger/dagger.go10
-rw-r--r--pow/dagger/dagger_test.go4
2 files changed, 7 insertions, 7 deletions
diff --git a/pow/dagger/dagger.go b/pow/dagger/dagger.go
index 3da7683d5..f2d65e8ef 100644
--- a/pow/dagger/dagger.go
+++ b/pow/dagger/dagger.go
@@ -7,7 +7,7 @@ import (
"time"
"github.com/ethereum/go-ethereum/crypto/sha3"
- "github.com/ethereum/go-ethereum/ethutil"
+ "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/logger"
)
@@ -50,7 +50,7 @@ func (dag *Dagger) Search(hash, diff *big.Int) ([]byte, []byte, []byte) {
dag.hash = hash
- obj := ethutil.BigPow(2, 256)
+ obj := common.BigPow(2, 256)
obj = obj.Div(obj, diff)
Found = false
@@ -75,7 +75,7 @@ func (dag *Dagger) Search(hash, diff *big.Int) ([]byte, []byte, []byte) {
func (dag *Dagger) Verify(hash, diff, nonce *big.Int) bool {
dag.hash = hash
- obj := ethutil.BigPow(2, 256)
+ obj := common.BigPow(2, 256)
obj = obj.Div(obj, diff)
return dag.Eval(nonce).Cmp(obj) < 0
@@ -85,7 +85,7 @@ func DaggerVerify(hash, diff, nonce *big.Int) bool {
dagger := &Dagger{}
dagger.hash = hash
- obj := ethutil.BigPow(2, 256)
+ obj := common.BigPow(2, 256)
obj = obj.Div(obj, diff)
return dagger.Eval(nonce).Cmp(obj) < 0
@@ -133,7 +133,7 @@ func Sum(sha hash.Hash) []byte {
}
func (dag *Dagger) Eval(N *big.Int) *big.Int {
- pow := ethutil.BigPow(2, 26)
+ pow := common.BigPow(2, 26)
dag.xn = pow.Div(N, pow)
sha := sha3.NewKeccak256()
diff --git a/pow/dagger/dagger_test.go b/pow/dagger/dagger_test.go
index f3a71d1eb..f53f4bac9 100644
--- a/pow/dagger/dagger_test.go
+++ b/pow/dagger/dagger_test.go
@@ -4,12 +4,12 @@ import (
"math/big"
"testing"
- "github.com/ethereum/go-ethereum/ethutil"
+ "github.com/ethereum/go-ethereum/common"
)
func BenchmarkDaggerSearch(b *testing.B) {
hash := big.NewInt(0)
- diff := ethutil.BigPow(2, 36)
+ diff := common.BigPow(2, 36)
o := big.NewInt(0) // nonce doesn't matter. We're only testing against speed, not validity
// Reset timer so the big generation isn't included in the benchmark