diff --git a/go/ethadapter/geth_rpc_client.go b/go/ethadapter/geth_rpc_client.go
index 9c9c1e5307..983ab08877 100644
--- a/go/ethadapter/geth_rpc_client.go
+++ b/go/ethadapter/geth_rpc_client.go
@@ -273,11 +273,6 @@ func (e *gethRPCClient) PrepareTransactionToRetry(ctx context.Context, txData ty
 	// prices aren't big enough for float error to matter
 	retryPrice, _ := retryPriceFloat.Int(nil)
 
-	println("from ", from.Hex())
-	println("unEstimatedTx.To() ", unEstimatedTx.To())
-	println("unEstimatedTx.Value() ", unEstimatedTx.Value())
-	println("unEstimatedTx.Data() ", unEstimatedTx.Data())
-
 	gasLimit, err := e.EthClient().EstimateGas(ctx, ethereum.CallMsg{
 		From:  from,
 		To:    unEstimatedTx.To(),
diff --git a/go/wallet/wallet.go b/go/wallet/wallet.go
index 1b87d46965..c3dc1a2806 100644
--- a/go/wallet/wallet.go
+++ b/go/wallet/wallet.go
@@ -67,7 +67,7 @@ func NewInMemoryWalletFromConfig(pkStr string, l1ChainID int64, logger gethlog.L
 
 // SignTransaction returns a signed transaction
 func (m *inMemoryWallet) SignTransaction(tx types.TxData) (*types.Transaction, error) {
-	return types.MustSignNewTx(m.prvKey, types.NewCancunSigner(m.chainID), tx), nil
+	return types.SignNewTx(m.prvKey, types.NewCancunSigner(m.chainID), tx)
 }
 
 // Address returns the current wallet address
diff --git a/integration/datagenerator/common.go b/integration/datagenerator/common.go
index ac2d04c4f4..50514bec27 100644
--- a/integration/datagenerator/common.go
+++ b/integration/datagenerator/common.go
@@ -39,8 +39,8 @@ func RandomUInt64() uint64 {
 	return val.Uint64()
 }
 
-func RandomUint32() uint64 {
-	val, err := rand.Int(rand.Reader, big.NewInt(math.MaxInt32))
+func RandomUint16() uint64 {
+	val, err := rand.Int(rand.Reader, big.NewInt(math.MaxInt16))
 	if err != nil {
 		panic(err)
 	}
diff --git a/integration/eth2network/eth2_configs.go b/integration/eth2network/eth2_configs.go
index a298d02ab6..ae35dca7a0 100644
--- a/integration/eth2network/eth2_configs.go
+++ b/integration/eth2network/eth2_configs.go
@@ -103,26 +103,26 @@ const _baseGenesis = `{
 	"config": {
 		"chainId": 32382,
 		"homesteadBlock": 0,
-		"daoForkSupport": true,
-		"eip150Block": 0,
-		"eip155Block": 0,
-		"eip158Block": 0,
-		"byzantiumBlock": 0,
-		"constantinopleBlock": 0,
-		"petersburgBlock": 0,
-		"istanbulBlock": 0,
-		"muirGlacierBlock": 0,
-		"berlinBlock": 0,
-		"londonBlock": 0,
-		"arrowGlacierBlock": 0,
-		"grayGlacierBlock": 0,
-		"shanghaiTime": 1717192598,
-		"cancunTime": 1736601494,
-		"terminalTotalDifficulty": 0,
-		"terminalTotalDifficultyPassed": true,
+    	"eip150Block": 6,
+    	"eip155Block": 12,
+    	"eip158Block": 12,
+    	"byzantiumBlock": 18,
+    	"constantinopleBlock": 24,
+    	"petersburgBlock": 30,
+    	"istanbulBlock": 36,
+    	"muirGlacierBlock": 42,
+    	"berlinBlock": 48,
+    	"londonBlock": 54,
+    	"arrowGlacierBlock": 60,
+    	"grayGlacierBlock": 66,
+    	"mergeNetsplitBlock": 72,
+    	"shanghaiTime": 780,
+    	"cancunTime": 840,
+    	"terminalTotalDifficulty": 9454784,
+    	"terminalTotalDifficultyPassed": true,
 		"clique": {
-      		"period": 1,
-      		"epoch": 1000
+      		"period": 0,
+      		"epoch": 30000
 		}
 	},
 	"nonce": "0",
diff --git a/integration/eth2network/eth2_network_test.go b/integration/eth2network/eth2_network_test.go
index 442ac5a115..b00ab7320f 100644
--- a/integration/eth2network/eth2_network_test.go
+++ b/integration/eth2network/eth2_network_test.go
@@ -42,7 +42,7 @@ func TestStartEth2Network(t *testing.T) {
 	binDir, err := EnsureBinariesExist()
 	assert.Nil(t, err)
 
-	chainID := int(datagenerator.RandomUint32())
+	chainID := int(datagenerator.RandomUint16())
 	randomWallets := make([]wallet.Wallet, _numTestNodes)
 	randomWalletAddrs := make([]string, _numTestNodes)
 	for i := 0; i < _numTestNodes; i++ {