3 files changed, 10 insertions, 10 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
diff --git a/pow/ezp/pow.go b/pow/ezp/pow.go
index 3ca502d06..7eba95784 100644
--- a/pow/ezp/pow.go
+++ b/pow/ezp/pow.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"
 	"github.com/ethereum/go-ethereum/pow"
 )
@@ -91,8 +91,8 @@ func verify(hash []byte, diff *big.Int, nonce uint64) bool {
 	d := append(hash, n...)
 	sha.Write(d)
 
-	verification := new(big.Int).Div(ethutil.BigPow(2, 256), diff)
-	res := ethutil.BigD(sha.Sum(nil))
+	verification := new(big.Int).Div(common.BigPow(2, 256), diff)
+	res := common.BigD(sha.Sum(nil))
 
 	return res.Cmp(verification) <= 0
 }