op-e2e: Add helper method to send L2 transactions

op-e2e/tx_helper.go

 package op_e2e
 
 import (
+	"context"
+	"crypto/ecdsa"
 	"math/big"
 	"testing"
 	"time"
@@ -15,6 +17,10 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
+// SendDepositTx creates and sends a deposit transaction.
+// The L1 transaction, including sender, is configured by the l1Opts param.
+// The L2 transaction options can be configured by modifying the DepositTxOps value supplied to applyL2Opts
+// Will verify that the transaction is included with the expected status on L1 and L2
 func SendDepositTx(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l2Client *ethclient.Client, l1Opts *bind.TransactOpts, applyL2Opts DepositTxOptsFn) {
 	l2Opts := defaultDepositTxOpts(l1Opts)
 	applyL2Opts(l2Opts)
@@ -27,14 +33,14 @@ func SendDepositTx(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l
 	require.Nil(t, err, "with deposit tx")
 
 	// Wait for transaction on L1
-	receipt, err := waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	receipt, err := waitForTransaction(tx.Hash(), l1Client, 10*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.Nil(t, err, "Waiting for deposit tx on L1")
 
 	// Wait for transaction to be included on L2
 	reconstructedDep, err := derive.UnmarshalDepositLogEvent(receipt.Logs[0])
 	require.NoError(t, err, "Could not reconstruct L2 Deposit")
 	tx = types.NewTx(reconstructedDep)
-	receipt, err = waitForTransaction(tx.Hash(), l2Client, 6*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	receipt, err = waitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
 	require.NoError(t, err)
 	require.Equal(t, l2Opts.ExpectedStatus, receipt.Status)
 }
@@ -60,3 +66,70 @@ func defaultDepositTxOpts(opts *bind.TransactOpts) *DepositTxOpts {
 		ExpectedStatus: types.ReceiptStatusSuccessful,
 	}
 }
+
+// SendL2Tx creates and sends a transaction.
+// The supplied privKey is used to specify the account to send from and the transaction is sent to the supplied l2Client
+// Transaction options and expected status can be configured in the applyTxOpts function by modifying the supplied TxOpts
+// Will verify that the transaction is included with the expected status on l2Client and any clients added to TxOpts.VerifyClients
+func SendL2Tx(t *testing.T, cfg SystemConfig, l2Client *ethclient.Client, privKey *ecdsa.PrivateKey, applyTxOpts TxOptsFn) *types.Receipt {
+	opts := defaultTxOpts()
+	applyTxOpts(opts)
+	tx := types.MustSignNewTx(privKey, types.LatestSignerForChainID(cfg.L2ChainIDBig()), &types.DynamicFeeTx{
+		ChainID:   cfg.L2ChainIDBig(),
+		Nonce:     opts.Nonce, // Already have deposit
+		To:        opts.ToAddr,
+		Value:     opts.Value,
+		GasTipCap: opts.GasTipCap,
+		GasFeeCap: opts.GasFeeCap,
+		Gas:       opts.Gas,
+	})
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	err := l2Client.SendTransaction(ctx, tx)
+	require.Nil(t, err, "Sending L2 tx")
+
+	receipt, err := waitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+	require.Nil(t, err, "Waiting for L2 tx")
+	require.Equal(t, opts.ExpectedStatus, receipt.Status, "TX should have expected status")
+
+	for i, client := range opts.VerifyClients {
+		t.Logf("Waiting for tx %v on verification client %d", tx.Hash(), i)
+		receiptVerif, err := waitForTransaction(tx.Hash(), client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+		require.Nilf(t, err, "Waiting for L2 tx on verification client %d", i)
+		require.Equalf(t, receipt, receiptVerif, "Receipts should be the same on sequencer and verification client %d", i)
+	}
+	return receipt
+}
+
+type TxOptsFn func(opts *TxOpts)
+
+type TxOpts struct {
+	ToAddr         *common.Address
+	Nonce          uint64
+	Value          *big.Int
+	Gas            uint64
+	GasTipCap      *big.Int
+	GasFeeCap      *big.Int
+	Data           []byte
+	ExpectedStatus uint64
+	VerifyClients  []*ethclient.Client
+}
+
+// VerifyOnClients adds additional l2 clients that should sync the block the tx is included in
+// Checks that the receipt received from these clients is equal to the receipt received from the sequencer
+func (o *TxOpts) VerifyOnClients(clients ...*ethclient.Client) {
+	o.VerifyClients = append(o.VerifyClients, clients...)
+}
+
+func defaultTxOpts() *TxOpts {
+	return &TxOpts{
+		ToAddr:         nil,
+		Nonce:          0,
+		Value:          common.Big0,
+		GasTipCap:      big.NewInt(10),
+		GasFeeCap:      big.NewInt(200),
+		Gas:            21_000,
+		Data:           nil,
+		ExpectedStatus: types.ReceiptStatusSuccessful,
+	}
+}