Method sendBatches

lib/TransactionKit.ts:3321–4427

* Estimates and sends all batches of transactions. * * Provides comprehensive batch sending with support for both modular and delegatedEoa wallet modes. Groups transactions by chainId for efficient multi-chain processing, estimates gas and costs, and sends user operations with proper error han

({
    onlyBatchNames,
    paymasterDetails,
    authorization,
  }: SendBatchesParams = {})

   *   - For single transaction sending, use `send()` instead
   */
  async sendBatches({
    onlyBatchNames,
    paymasterDetails,
    authorization,
  }: SendBatchesParams = {}): Promise<BatchSendResult> {
    // ========================================================================
    // STEP 1: INPUT VALIDATION AND SETUP
    // ========================================================================

    // Prevent concurrent sending to avoid race conditions
    if (this.isSending) {
      this.throwError(
        'Another batch sending is already in progress. Please wait for it to complete.'
      );
    }

    // Validate onlyBatchNames parameter if provided
    if (onlyBatchNames) {
      if (!Array.isArray(onlyBatchNames)) {
        this.throwError('onlyBatchNames must be an array of strings');
      }
      onlyBatchNames.forEach((name, index) => {
        if (typeof name !== 'string' || name.trim() === '') {
          this.throwError(
            `onlyBatchNames[${index}] must be a non-empty string`
          );
        }
      });
    }

    // Set sending state flags
    this.isSending = true;
    this.containsSendingError = false;

    const walletMode = this.#etherspotProvider.getWalletMode();
    log(`sendBatches(): Wallet mode: ${walletMode}`, undefined, this.debugMode);

    // Initialize result structure
    const result: BatchSendResult = {
      batches: {},
      isEstimatedSuccessfully: true,
      isSentSuccessfully: true,
    };

    // ========================================================================
    // STEP 2: DETERMINE BATCHES TO SEND
    // ========================================================================

    // Use provided batch names or send all existing batches
    const batchesToSend = onlyBatchNames || Object.keys(this.batches);

    if (batchesToSend.length === 0) {
      log('sendBatches(): No batches to send', this.debugMode);
      this.isSending = false;
      return result;
    }

    // ========================================================================