diff --git a/consensus/ethash/algorithm.go b/consensus/ubqhash/algorithm.go
similarity index 100%
rename from consensus/ethash/algorithm.go
rename to consensus/ubqhash/algorithm.go
diff --git a/consensus/ethash/algorithm_go1.7.go b/consensus/ubqhash/algorithm_go1.7.go
similarity index 100%
rename from consensus/ethash/algorithm_go1.7.go
rename to consensus/ubqhash/algorithm_go1.7.go
diff --git a/consensus/ethash/algorithm_go1.8.go b/consensus/ubqhash/algorithm_go1.8.go
similarity index 100%
rename from consensus/ethash/algorithm_go1.8.go
rename to consensus/ubqhash/algorithm_go1.8.go
diff --git a/consensus/ethash/algorithm_go1.8_test.go b/consensus/ubqhash/algorithm_go1.8_test.go
similarity index 100%
rename from consensus/ethash/algorithm_go1.8_test.go
rename to consensus/ubqhash/algorithm_go1.8_test.go
diff --git a/consensus/ethash/algorithm_test.go b/consensus/ubqhash/algorithm_test.go
similarity index 100%
rename from consensus/ethash/algorithm_test.go
rename to consensus/ubqhash/algorithm_test.go
diff --git a/consensus/ethash/consensus.go b/consensus/ubqhash/consensus.go
similarity index 100%
rename from consensus/ethash/consensus.go
rename to consensus/ubqhash/consensus.go
diff --git a/consensus/ethash/consensus_test.go b/consensus/ubqhash/consensus_test.go
similarity index 100%
rename from consensus/ethash/consensus_test.go
rename to consensus/ubqhash/consensus_test.go
diff --git a/consensus/ethash/ethash.go b/consensus/ubqhash/ethash.go
similarity index 100%
rename from consensus/ethash/ethash.go
rename to consensus/ubqhash/ethash.go
diff --git a/consensus/ethash/ethash_test.go b/consensus/ubqhash/ethash_test.go
similarity index 100%
rename from consensus/ethash/ethash_test.go
rename to consensus/ubqhash/ethash_test.go
diff --git a/consensus/ethash/sealer.go b/consensus/ubqhash/sealer.go
similarity index 100%
rename from consensus/ethash/sealer.go
rename to consensus/ubqhash/sealer.go
diff --git a/params/config.go b/params/config.go
index 2aff614f86..6eb20d3573 100644
--- a/params/config.go
+++ b/params/config.go
@@ -25,19 +25,19 @@ import (
 )
 
 var (
-	MainnetGenesisHash = common.HexToHash("0xd4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3") // Mainnet genesis hash to enforce below configs on
+	MainnetGenesisHash = common.HexToHash("0x406f1b7dd39fca54d8c702141851ed8b755463ab5b560e6f19b963b4047418af") // Mainnet genesis hash to enforce below configs on
 	TestnetGenesisHash = common.HexToHash("0x41941023680923e0fe4d74a34bdac8141f2540e3ae90623718e47d66d1ca4a2d") // Testnet genesis hash to enforce below configs on
 )
 
 var (
 	// MainnetChainConfig is the chain parameters to run a node on the main network.
 	MainnetChainConfig = &ChainConfig{
-		ChainId:         big.NewInt(1),
-		HomesteadBlock:  big.NewInt(1150000),
-		EIP150Block:     big.NewInt(2463000),
-		EIP150Hash:      common.HexToHash("0x2086799aeebeae135c246c65021c82b4e15a2c451340993aacfd2751886514f0"),
-		EIP155Block:     big.NewInt(2675000),
-		EIP158Block:     big.NewInt(2675000),
+		ChainId:         big.NewInt(8),
+		HomesteadBlock:  big.NewInt(0),
+		EIP150Block:     big.NewInt(0),
+		EIP150Hash:      common.HexToHash("0x406f1b7dd39fca54d8c702141851ed8b755463ab5b560e6f19b963b4047418af"),
+		EIP155Block:     big.NewInt(10),
+		EIP158Block:     big.NewInt(10),
 		MetropolisBlock: big.NewInt(math.MaxInt64), // Don't enable yet
 
 		Ubqhash: new(UbqhashConfig),
@@ -80,8 +80,8 @@ var (
 	// means that all fields must be set at all times. This forces
 	// anyone adding flags to the config to also have to set these
 	// fields.
-	AllProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(math.MaxInt64) /*disabled*/, new(UbqhashConfig), nil}
-	TestChainConfig    = &ChainConfig{big.NewInt(1), big.NewInt(0), nil, false, big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), nil, new(UbqhashConfig), nil}
+	AllProtocolChanges = &ChainConfig{big.NewInt(1337), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), big.NewInt(math.MaxInt64) /*disabled*/, new(UbqhashConfig), nil}
+	TestChainConfig    = &ChainConfig{big.NewInt(1), big.NewInt(0), big.NewInt(0), common.Hash{}, big.NewInt(0), big.NewInt(0), nil, new(UbqhashConfig), nil}
 	TestRules          = TestChainConfig.Rules(new(big.Int))
 )