generate_wallet.go

package main

import (
	"crypto/ecdsa"
	"fmt"
	"log"

	"github.com/ethereum/go-ethereum/common/hexutil"
	"github.com/ethereum/go-ethereum/crypto"
	"golang.org/x/crypto/sha3"
)

func main() {

	privateKey, err := crypto.GenerateKey()
	if err != nil {
		log.Fatal(err)
	}
	privateKeyBytes := crypto.FromECDSA(privateKey)
	fmt.Println(hexutil.Encode(privateKeyBytes)[2:]) // fad9c8855b740a0b7ed
	publicKey := privateKey.Public()
	publicKeyECDSA, ok := publicKey.(*ecdsa.PublicKey)
	if !ok {
		log.Fatal("cannot assert type: publicKey is not of type *ecdsa.PublicKey")
	}
	publicKeyBytes := crypto.FromECDSAPub(publicKeyECDSA)
	fmt.Println(hexutil.Encode(publicKeyBytes)[4:]) // 9a7df67f79246283fdc93
	address := crypto.PubkeyToAddress(*publicKeyECDSA).Hex()
	fmt.Println(address) // 0x96216849c49358B10257cb55b28eA603c874b05E
	hash := sha3.NewLegacyKeccak256()
	hash.Write(publicKeyBytes[1:])
	fmt.Println(hexutil.Encode(hash.Sum(nil)[12:])) // 0x96216849c49358b102
}