feat: support Stripe payment provider (#2204)

* feat: add stripe payment provider

* feat: support stripe payment

* feat: delete todo comment

* feat: remove description struct

* feat: change outOrderId->orderId

pp/util.go

@@ -16,6 +16,8 @@ package pp
 
 import (
 	"fmt"
+	"math"
+	"strconv"
 	"strings"
 )
 
@@ -35,3 +37,15 @@ func parseAttachString(s string) (string, string, string, error) {
 	}
 	return tokens[0], tokens[1], tokens[2], nil
 }
+
+func priceInt64ToFloat64(price int64) float64 {
+	return float64(price) / 100
+}
+
+func priceFloat64ToInt64(price float64) int64 {
+	return int64(math.Round(price * 100))
+}
+
+func priceFloat64ToString(price float64) string {
+	return strconv.FormatFloat(price, 'f', 2, 64)
+}