package main

import (
	"encoding/json"
	"fmt"
)

type AmountType struct {
	Value string `json:"value"`
	Name  string `json:"name"`
}

type Data struct {
	Source string     `json:"source"`
	Target string     `json:"target"`
	Amount AmountType `json:"amount"`
}

func JsonRemarshal(bytes []byte) ([]byte, error) {
	var ifce interface{}
	err := json.Unmarshal(bytes, &ifce)
	if err != nil {
		return []byte{}, err
	}
	output, err := json.Marshal(ifce)
	if err != nil {
		return []byte{}, err
	}
	return output, nil
}

func main() {
	at := AmountType{Value: "100", Name: "$"}
	data := Data{Source: "Alice", Target: "Bob", Amount: at}

	dataBytes, err := json.Marshal(data)
	if err != nil {
		fmt.Println(err)
	}

	fmt.Println("Original -> ", string(dataBytes))

	n, _ := JsonRemarshal(dataBytes)
	fmt.Println("Sorted Keys -> ", string(n))

}