Errors in BatchTransaction

[sdaveas]

Hello team! I am trying to make a BatchTransaction call, but I am getting some errors.

Here's how I do a MoveCall which works fine:

func MoveCall(
   ctx context.Context,
   sender types.Address,
) (*types.TransactionBytes, error) {
   client, err := client.Dial(types.TestnetRpcUrl)
   if err != nil {
   	return nil, err
   }

   packageIDHex, err := types.NewHexData("0xd8f042479dcb0028d868051bd53f0d3a41c600db7b14241674db1c2e60124975")
   if err != nil {
   	return nil, err
   }

   txBytes, err := client.MoveCall(
   	ctx, 
   	sender, 
   	*packageIDHex, 
   	"math", 
   	"add", 
   	[]string{},
   	[]interface{}{"1", "1"},
   	nil, 
   	types.NewSafeSuiBigInt(uint64(2000000)),
   )

   if err != nil {
   	return nil, err
   }

   return txBytes, nil
}

However, when trying to do the same for a BatchTransaction, I am getting

Error: invalid type: integer `2000000`, expected a string at line 1 column 7

Here's my code invoking BatchTransaction:

func MoveCallBatch(
	ctx context.Context,
	sender types.Address,
) (*types.TransactionBytes, error) {
	client, err := client.Dial(types.TestnetRpcUrl)
	if err != nil {
		return nil, err
	}
	
	txnParams := []map[string]interface{}{
		{
			"moveCallRequestParams": []interface{}{
				"0xd8f042479dcb0028d868051bd53f0d3a41c600db7b14241674db1c2e60124975",
				"math",
				"add",
				[]string{},
				[]interface{}{"1", "1"},
			},
		},
	}

	txBytes, err := client.BatchTransaction(ctx, sender, txnParams, nil, uint64(2000000))
	if err != nil {
		return nil, err
	}

	return txBytes, nil
}

Any help would be appreciated!

[sdaveas]

ended up just using programmable transactions from v2.