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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:]) // fad9c8855b740a0b7ed4c221dbad0f33a83a49cad6b3fe8d5817ac83d38b6a19
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:]) // 9a7df67f79246283fdc93af76d4f8cdd62c4886e8cd870944e817dd0b97934fdd7719d0810951e03418205868a5c1b40b192451367f28e0088dd75e15de40c05
address := crypto.PubkeyToAddress(*publicKeyECDSA).Hex()
fmt.Println(address) // 0x96216849c49358B10257cb55b28eA603c874b05E
hash := sha3.NewLegacyKeccak256()
hash.Write(publicKeyBytes[1:])
fmt.Println(hexutil.Encode(hash.Sum(nil)[12:])) // 0x96216849c49358b10257cb55b28ea603c874b05e
}
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