How to get address from scriptSig: Golang

main.go

package main

import (
	"crypto/sha256"
	"encoding/hex"
	"fmt"

	"github.com/btcsuite/btcutil/base58"
	"golang.org/x/crypto/ripemd160"
)

func SHA256D(d []byte) []byte {
	hash := sha256.Sum256(d)
	hash2 := sha256.Sum256(hash[:])
	return hash2[:]
}

func ConvertPKHToAddress(prefix string, address []byte) string {
	address = append([]byte(prefix), address...)
	fmt.Println(fmt.Sprintf("%x", address))

	fmt.Println(fmt.Sprintf("%x", SHA256D(address)[:4]))
	endHash := append(address, SHA256D(address)[:4]...)
	fmt.Println(fmt.Sprintf("%x", base58.Encode(endHash)))

	return base58.Encode(endHash)
}

func PubkeyToAddress(pubKey string) string {
	// Convert pubkey to bytes
	data, err := hex.DecodeString(pubKey)
	if err != nil {
		panic(err)
	}

	// Apply sha256
	hash := sha256.Sum256(data)

	fmt.Println(fmt.Sprintf("%x", hash[:]))

	// Apply ripemd160
	ripemd160 := ripemd160.New()
	ripemd160.Write(hash[:])
	ripedHash := ripemd160.Sum(nil)

	fmt.Println(fmt.Sprintf("%v", hex.EncodeToString(ripedHash)))

	return ConvertPKHToAddress("\x6f", ripedHash)
}

func main() {
	pubkey := "02438799fefc3518466312279642efbde44aae9367accd5b344d943da093a64970"
	fmt.Println(fmt.Sprintf("Address: %s", string(PubkeyToAddress(pubkey))))
}