l2geth: forward tx to sequencer

l2geth/internal/ethapi/api.go

@@ -40,6 +40,7 @@ import (
 	"github.com/ethereum-optimism/optimism/l2geth/core/types"
 	"github.com/ethereum-optimism/optimism/l2geth/core/vm"
 	"github.com/ethereum-optimism/optimism/l2geth/crypto"
+	"github.com/ethereum-optimism/optimism/l2geth/ethclient"
 	"github.com/ethereum-optimism/optimism/l2geth/log"
 	"github.com/ethereum-optimism/optimism/l2geth/p2p"
 	"github.com/ethereum-optimism/optimism/l2geth/params"
@@ -1649,18 +1650,30 @@ func (s *PublicTransactionPoolAPI) FillTransaction(ctx context.Context, args Sen
 // SendRawTransaction will add the signed transaction to the transaction pool.
 // The sender is responsible for signing the transaction and using the correct nonce.
 func (s *PublicTransactionPoolAPI) SendRawTransaction(ctx context.Context, encodedTx hexutil.Bytes) (common.Hash, error) {
-	if s.b.IsVerifier() {
-		return common.Hash{}, errors.New("Cannot send raw transaction in verifier mode")
+	tx := new(types.Transaction)
+	if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
+		return common.Hash{}, err
 	}
 
 	if s.b.IsSyncing() {
 		return common.Hash{}, errors.New("Cannot send raw transaction while syncing")
 	}
 
-	tx := new(types.Transaction)
-	if err := rlp.DecodeBytes(encodedTx, tx); err != nil {
-		return common.Hash{}, err
+	// Forward tx to sequencer if config is set
+	// TODO: add forwarding config
+	if s.b.IsVerifier() {
+		// TODO: replace with env var L2_URL
+		client, err := ethclient.Dial("http://l2geth:8545")
+		if err != nil {
+			return common.Hash{}, err
+		}
+		err = client.SendTransaction(context.Background(), tx)
+		if err != nil {
+			return common.Hash{}, err
+		}
+		return tx.Hash(), nil
 	}
+
 	// L1Timestamp and L1BlockNumber will be set right before execution
 	txMeta := types.NewTransactionMeta(nil, 0, nil, types.QueueOriginSequencer, nil, nil, encodedTx)
 	tx.SetTransactionMeta(txMeta)

ops/docker-compose.yml

@@ -155,6 +155,7 @@ services:
   replica:
     depends_on:
       - dtl
+      - l2geth
     deploy:
       replicas: 1
     build:
@@ -165,6 +166,7 @@ services:
       - ./envs/geth.env
     environment:
         ETH1_HTTP: http://l1_chain:8545
+        L2_URL: http://l2geth:8545
         ROLLUP_STATE_DUMP_PATH: http://deployer:8081/state-dump.latest.json
         ROLLUP_CLIENT_HTTP: http://dtl:7878
         ROLLUP_BACKEND: 'l2'