op-e2e: L1 dencun e2e test

op-e2e/system_test.go

@@ -155,6 +155,22 @@ func TestL2OutputSubmitter(t *testing.T) {
 	}
 }
 
+func TestSystemE2EDencunAtGenesis(t *testing.T) {
+	InitParallel(t)
+
+	cfg := DefaultSystemConfig(t)
+	genesisActivation := uint64(0)
+	cfg.DeployConfig.L1CancunTimeOffset = &genesisActivation
+
+	sys, err := cfg.Start(t)
+	require.Nil(t, err, "Error starting up system")
+	defer sys.Close()
+	runE2ESystemTest(t, sys)
+	head, err := sys.Clients["l1"].BlockByNumber(context.Background(), big.NewInt(0))
+	require.NoError(t, err)
+	require.NotNil(t, head.ExcessBlobGas(), "L1 is building dencun blocks since genesis")
+}
+
 // TestSystemE2E sets up a L1 Geth node, a rollup node, and a L2 geth node and then confirms that L1 deposits are reflected on L2.
 // All nodes are run in process (but are the full nodes, not mocked or stubbed).
 func TestSystemE2E(t *testing.T) {
@@ -165,7 +181,9 @@ func TestSystemE2E(t *testing.T) {
 	sys, err := cfg.Start(t)
 	require.Nil(t, err, "Error starting up system")
 	defer sys.Close()
+}
 
+func runE2ESystemTest(t *testing.T, sys *System) {
 	log := testlog.Logger(t, log.LvlInfo)
 	log.Info("genesis", "l2", sys.RollupConfig.Genesis.L2, "l1", sys.RollupConfig.Genesis.L1, "l2_time", sys.RollupConfig.Genesis.L2Time)
 
@@ -185,11 +203,11 @@ func TestSystemE2E(t *testing.T) {
 	require.Nil(t, err)
 
 	// Send deposit transaction
-	opts, err := bind.NewKeyedTransactorWithChainID(ethPrivKey, cfg.L1ChainIDBig())
+	opts, err := bind.NewKeyedTransactorWithChainID(ethPrivKey, sys.cfg.L1ChainIDBig())
 	require.Nil(t, err)
 	mintAmount := big.NewInt(1_000_000_000_000)
 	opts.Value = mintAmount
-	SendDepositTx(t, cfg, l1Client, l2Verif, opts, func(l2Opts *DepositTxOpts) {})
+	SendDepositTx(t, sys.cfg, l1Client, l2Verif, opts, func(l2Opts *DepositTxOpts) {})
 
 	// Confirm balance
 	ctx, cancel = context.WithTimeout(context.Background(), 15*time.Second)
@@ -202,7 +220,7 @@ func TestSystemE2E(t *testing.T) {
 	require.Equal(t, mintAmount, diff, "Did not get expected balance change")
 
 	// Submit TX to L2 sequencer node
-	receipt := SendL2Tx(t, cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
+	receipt := SendL2Tx(t, sys.cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
 		opts.Value = big.NewInt(1_000_000_000)
 		opts.Nonce = 1 // Already have deposit
 		opts.ToAddr = &common.Address{0xff, 0xff}