Couldn't update total price

[etch01]

I am trying to update total price when user adds promo code or use wallet using state but when Apple Pay shows up, price doesn't change !
here is my code:

applePayPressHandler=()=>{
 const paymentRequest = new PaymentRequest(
   this.METHOD_DATA,
   this.state.applePayDetails,
 );

 paymentRequest.canMakePayments().then((canMakePayment: any) => {
   //1- Check if user can make payment
   if (canMakePayment) {
     paymentRequest.show().then((paymentResponse: any) => {
       const { paymentData } = paymentResponse._details;
       //2-Check if payment succeeded or failed
       if (paymentData == null) {
         paymentResponse.complete('fail');
       } else {
         //API call goes here
         paymentResponse.complete('success');
       }
     });
   }
   else {
     console.log('Cant Make Payment');
   }
 }).catch((error: any) => {
   console.log("Can Make Payments Error", error );
});
}

and here is wallet code:

useWallet = () :void=>{
    if (!this.state.isWalletChecked){
      this.setState({
        totalCreditCardAmount : this.state.totalPrice - this.props.userStore.account.wallet.balance,
        isWalletChecked:!this.state.isWalletChecked
      })
    }else{
      this.setState({
        isWalletChecked:!this.state.isWalletChecked,
        totalCreditCardAmount : this.state.totalPrice
      })
    }
  }