batch-submitter: add `VALIDATE_TX_BATCH` config

Add a new config option to the batch submitter that can enable
or disable the transaction batch validation. This can be configured
using `VALIDATE_TX_BATCH` or `BATCH_SUBMITTER_VALIDATE_TX_BATCH`
or `--validate-tx-batch`. It defaults to true.

.changeset/empty-suits-rest.md

+---
+'@eth-optimism/batch-submitter': patch
+---
+
+Add `VALIDATE_TX_BATCH` config option that can disable batch validation

packages/batch-submitter/src/batch-submitter/tx-batch-submitter.ts

@@ -35,6 +35,7 @@ export class TransactionBatchSubmitter extends BatchSubmitter {
   protected l2ChainId: number
   protected syncing: boolean
   private autoFixBatchOptions: AutoFixBatchOptions
+  private validateBatch: boolean
   private transactionSubmitter: TransactionSubmitter
   private gasThresholdInGwei: number
 
@@ -52,6 +53,7 @@ export class TransactionBatchSubmitter extends BatchSubmitter {
     gasThresholdInGwei: number,
     transactionSubmitter: TransactionSubmitter,
     blockOffset: number,
+    validateBatch: boolean,
     logger: Logger,
     metrics: Metrics,
     autoFixBatchOptions: AutoFixBatchOptions = {
@@ -76,6 +78,7 @@ export class TransactionBatchSubmitter extends BatchSubmitter {
       logger,
       metrics
     )
+    this.validateBatch = validateBatch
     this.autoFixBatchOptions = autoFixBatchOptions
     this.gasThresholdInGwei = gasThresholdInGwei
     this.transactionSubmitter = transactionSubmitter
@@ -260,12 +263,16 @@ export class TransactionBatchSubmitter extends BatchSubmitter {
       { concurrency: 100 }
     )
 
-    // Fix our batches if we are configured to. TODO: Remove this.
+    // Fix our batches if we are configured to. This will not
+    // modify the batch unless an autoFixBatchOption is set
     batch = await this._fixBatch(batch)
-    if (!(await this._validateBatch(batch))) {
-      this.metrics.malformedBatches.inc()
-      return
+    if (this.validateBatch) {
+      if (!(await this._validateBatch(batch))) {
+        this.metrics.malformedBatches.inc()
+        return
+      }
     }
+
     let sequencerBatchParams = await this._getSequencerBatchParams(
       startBlock,
       batch

packages/batch-submitter/src/exec/run-batch-submitter.ts

@@ -72,6 +72,7 @@ interface RequiredEnvVars {
  * SEQUENCER_HD_PATH
  * PROPOSER_HD_PATH
  * BLOCK_OFFSET
+ * VALIDATE_TX_BATCH
  * USE_HARDHAT
  * DEBUG_IMPERSONATE_SEQUENCER_ADDRESS
  * DEBUG_IMPERSONATE_PROPOSER_ADDRESS
@@ -244,6 +245,11 @@ export const run = async () => {
     env.PROPOSER_HD_PATH || env.HD_PATH
   )
 
+  const VALIDATE_TX_BATCH = config.bool(
+    'validate-tx-batch',
+    env.VALIDATE_TX_BATCH ? !!env.VALIDATE_TX_BATCH : true
+  )
+
   // Auto fix batch options -- TODO: Remove this very hacky config
   const AUTO_FIX_BATCH_OPTIONS_CONF = config.str(
     'auto-fix-batch-conf',
@@ -387,6 +393,7 @@ export const run = async () => {
     GAS_THRESHOLD_IN_GWEI,
     txBatchTxSubmitter,
     BLOCK_OFFSET,
+    VALIDATE_TX_BATCH,
     logger.child({ name: TX_BATCH_SUBMITTER_LOG_TAG }),
     metrics,
     autoFixBatchOptions

packages/batch-submitter/test/batch-submitter/batch-submitter.spec.ts

@@ -242,6 +242,7 @@ describe('BatchSubmitter', () => {
       GAS_THRESHOLD_IN_GWEI,
       txBatchTxSubmitter,
       1,
+      false,
       new Logger({ name: TX_BATCH_SUBMITTER_LOG_TAG }),
       testMetrics
     )