diff options
Diffstat (limited to 'pow/dagger')
-rw-r--r-- | pow/dagger/dagger.go | 10 | ||||
-rw-r--r-- | pow/dagger/dagger_test.go | 4 |
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 |