Merge pull request #1436 from ethereum-optimism/sc/fix-sbs-nonce

fix: use the same nonce for each batch submission

.changeset/rotten-kids-fly.md

+---
+'@eth-optimism/batch-submitter': patch
+---
+
+Fixes a bug in the batch submitted that would cause it to submit transactions with increasing nonces

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

@@ -173,9 +173,11 @@ export class StateBatchSubmitter extends BatchSubmitter {
     this.logger.debug('Submitting batch.', { calldata })
 
     // Generate the transaction we will repeatedly submit
+    const nonce = await this.signer.getTransactionCount()
     const tx = await this.chainContract.populateTransaction.appendStateBatch(
       batch,
-      offsetStartsAtIndex
+      offsetStartsAtIndex,
+      { nonce }
     )
     const submitTransaction = (): Promise<TransactionReceipt> => {
       return this.transactionSubmitter.submitTransaction(