diff --git a/precompiles/testutil/suite.go b/precompiles/testutil/suite.go
new file mode 100644
index 00000000..1b6a9ce3
--- /dev/null
+++ b/precompiles/testutil/suite.go
@@ -0,0 +1,88 @@
+package testutil
+
+import (
+	"strings"
+
+	"github.com/0glabs/0g-chain/app"
+	"github.com/0glabs/0g-chain/chaincfg"
+	dasignersprecompile "github.com/0glabs/0g-chain/precompiles/dasigners"
+	"github.com/0glabs/0g-chain/x/bep3/types"
+	"github.com/cosmos/cosmos-sdk/crypto/keyring"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/crypto"
+	emtests "github.com/evmos/ethermint/tests"
+	evmkeeper "github.com/evmos/ethermint/x/evm/keeper"
+	"github.com/evmos/ethermint/x/evm/statedb"
+	"github.com/stretchr/testify/suite"
+
+	cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
+	ethtypes "github.com/ethereum/go-ethereum/core/types"
+	"github.com/evmos/ethermint/crypto/ethsecp256k1"
+
+	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
+	stakingtypes "github.com/cosmos/cosmos-sdk/x/staking/types"
+)
+
+type PrecompileTestSuite struct {
+	suite.Suite
+
+	StakingKeeper *stakingkeeper.Keeper
+	App           app.TestApp
+	Ctx           sdk.Context
+	QueryClient   types.QueryClient
+	Addresses     []sdk.AccAddress
+
+	EvmKeeper *evmkeeper.Keeper
+	EthSigner ethtypes.Signer
+	Statedb   *statedb.StateDB
+}
+
+type TestSigner struct {
+	Addr    common.Address
+	HexAddr string
+	PrivKey cryptotypes.PrivKey
+	Signer  keyring.Signer
+}
+
+func GenSigner() *TestSigner {
+	var s TestSigner
+	addr, priv := emtests.NewAddrKey()
+	s.PrivKey = priv
+	s.Addr = addr
+	s.HexAddr = dasignersprecompile.ToLowerHexWithoutPrefix(s.Addr)
+	s.Signer = emtests.NewSigner(priv)
+	return &s
+}
+
+func (suite *PrecompileTestSuite) SetupTest() {
+	chaincfg.SetSDKConfig()
+	suite.App = app.NewTestApp()
+	suite.App.InitializeFromGenesisStates()
+	suite.StakingKeeper = suite.App.GetStakingKeeper()
+
+	// make block header
+	privkey, _ := ethsecp256k1.GenerateKey()
+	consAddress := sdk.ConsAddress(privkey.PubKey().Address())
+	key, err := privkey.ToECDSA()
+	suite.Assert().NoError(err)
+	hexAddr := strings.ToLower(crypto.PubkeyToAddress(key.PublicKey).Hex()[2:])
+	valAddr, err := sdk.ValAddressFromHex(hexAddr)
+	suite.Assert().NoError(err)
+	suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, ChainID: app.TestChainId, ProposerAddress: consAddress})
+	newValidator, err := stakingtypes.NewValidator(valAddr, privkey.PubKey(), stakingtypes.Description{})
+	suite.Assert().NoError(err)
+	err = suite.StakingKeeper.SetValidatorByConsAddr(suite.Ctx, newValidator)
+	suite.Assert().NoError(err)
+	suite.StakingKeeper.SetValidator(suite.Ctx, newValidator)
+
+	_, accAddresses := app.GeneratePrivKeyAddressPairs(10)
+	suite.Addresses = accAddresses
+
+	suite.EvmKeeper = suite.App.GetEvmKeeper()
+
+	suite.EthSigner = ethtypes.LatestSignerForChainID(suite.EvmKeeper.ChainID())
+
+	suite.Statedb = statedb.New(suite.Ctx, suite.EvmKeeper, statedb.NewEmptyTxConfig(common.BytesToHash(suite.Ctx.HeaderHash().Bytes())))
+}
diff --git a/x/dasigners/v1/keeper/keeper_test.go b/x/dasigners/v1/keeper/keeper_test.go
index a4057d22..fda2c698 100644
--- a/x/dasigners/v1/keeper/keeper_test.go
+++ b/x/dasigners/v1/keeper/keeper_test.go
@@ -113,7 +113,7 @@ func (suite *KeeperTestSuite) testUpdateSocket(signer *types.Signer) {
 	))
 }
 
-func (suite *KeeperTestSuite) testRegisterEpochInvalidSignature(signer *types.Signer) {
+func (suite *KeeperTestSuite) testRegisterEpochInvalidSignature() {
 	sk := big.NewInt(2)
 	hash := types.EpochRegistrationHash(common.HexToAddress(signer1), 1, big.NewInt(8888))
 	signature := new(bn254.G1Affine).ScalarMultiplication(hash, sk)
@@ -322,7 +322,7 @@ func (suite *KeeperTestSuite) Test_Keeper() {
 	signerOne := suite.testRegisterSignerSuccess()
 	suite.testQuerySigner(signerOne)
 	suite.testUpdateSocket(signerOne)
-	suite.testRegisterEpochInvalidSignature(signerOne)
+	suite.testRegisterEpochInvalidSignature()
 	suite.testRegisterEpochSuccess()
 	suite.secondSigner()
 	suite.newEpoch(params)
diff --git a/x/dasigners/v1/testutil/suite.go b/x/dasigners/v1/testutil/suite.go
index 4e10faef..1191cba7 100644
--- a/x/dasigners/v1/testutil/suite.go
+++ b/x/dasigners/v1/testutil/suite.go
@@ -1,10 +1,13 @@
 package testutil
 
 import (
+	"strings"
+
 	"cosmossdk.io/math"
 	tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	stakingkeeper "github.com/cosmos/cosmos-sdk/x/staking/keeper"
+	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/stretchr/testify/suite"
 
 	"github.com/0glabs/0g-chain/app"
@@ -34,7 +37,22 @@ func (suite *Suite) SetupTest() {
 	suite.App.InitializeFromGenesisStates()
 	suite.Keeper = suite.App.GetDASignersKeeper()
 	suite.StakingKeeper = suite.App.GetStakingKeeper()
-	suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, ChainID: app.TestChainId})
+
+	// make block header
+	privkey, _ := ethsecp256k1.GenerateKey()
+	consAddress := sdk.ConsAddress(privkey.PubKey().Address())
+	key, err := privkey.ToECDSA()
+	suite.Assert().NoError(err)
+	hexAddr := strings.ToLower(crypto.PubkeyToAddress(key.PublicKey).Hex()[2:])
+	valAddr, err := sdk.ValAddressFromHex(hexAddr)
+	suite.Assert().NoError(err)
+	suite.Ctx = suite.App.NewContext(true, tmproto.Header{Height: 1, ChainID: app.TestChainId, ProposerAddress: consAddress})
+	newValidator, err := stakingtypes.NewValidator(valAddr, privkey.PubKey(), stakingtypes.Description{})
+	suite.Assert().NoError(err)
+	err = suite.StakingKeeper.SetValidatorByConsAddr(suite.Ctx, newValidator)
+	suite.Assert().NoError(err)
+	suite.StakingKeeper.SetValidator(suite.Ctx, newValidator)
+
 	_, accAddresses := app.GeneratePrivKeyAddressPairs(10)
 	suite.Addresses = accAddresses