feat: pass sync service gas limit via cfg

l2geth/eth/config.go

@@ -83,6 +83,7 @@ var DefaultConfig = Config{
 		MaxCallDataSize: 127000,
 		DataPrice:       big.NewInt(100 * params.GWei),
 		ExecutionPrice:  big.NewInt(0),
+		GasLimit:        12_000_000,
 	},
 	DiffDbCache: 256,
 }

l2geth/rollup/sync_service.go

@@ -77,6 +77,7 @@ func NewSyncService(ctx context.Context, cfg Config, txpool *core.TxPool, bc *co
 	} else {
 		log.Info("Running in sequencer mode", "sync-backend", cfg.Backend.String())
 	}
+	log.Info("Sync service gas limit", "gas-limit", cfg.GasLimit)
 
 	pollInterval := cfg.PollInterval
 	if pollInterval == 0 {
@@ -113,7 +114,7 @@ func NewSyncService(ctx context.Context, cfg Config, txpool *core.TxPool, bc *co
 		pollInterval:              pollInterval,
 		timestampRefreshThreshold: timestampRefreshThreshold,
 		backend:                   cfg.Backend,
-		gasLimit:                  9_000_000,
+		gasLimit:                  cfg.GasLimit,
 		gpoAddress:                cfg.GasPriceOracleAddress,
 		enableL2GasPolling:        cfg.EnableL2GasPolling,
 		enforceFees:               cfg.EnforceFees,
@@ -710,7 +711,7 @@ func (s *SyncService) applyTransactionToTip(tx *types.Transaction) error {
 	_, err = s.bc.WriteBlockWithState(block, receipts, logs, statedb, false)
 	if err != nil {
 		log.Error("Cannot write state with block", "msg", err)
-        return err
+		return err
 	}
 	log.Info("New Block", "index", block.Number().Uint64()-1, "tx", tx.Hash().Hex())
 

l2geth/rollup/sync_service_test.go

@@ -712,6 +712,7 @@ func newTestSyncService(isVerifier bool) (*SyncService, chan core.NewTxsEvent, e
 		// The client needs to be mocked with a mockClient
 		RollupClientHttp: "",
 		Backend:          BackendL2,
+		GasLimit:         12_000_000,
 	}
 
 	service, err := NewSyncService(context.Background(), cfg, txPool, chain, db)