Example #1
0
func main() {

	fmt.Println("Enter secret seed:")
	seed := string(gopass.GetPasswd())

	pubKey, chain, privKey := bitcoin.ComputeMastersFromSeed(seed)
	fmt.Println("Derived pubkey: ", pubKey)

	fmt.Println("Enter message to sign, ctrl-d ctrl-d when done:")
	message, err := ioutil.ReadAll(os.Stdin)
	if err != nil {
		panic(err)
	}

	signature := bitcoin.SignMessage(privKey, string(message), true)
	fmt.Printf(`

-----BEGIN BITCOIN SIGNED MESSAGE-----
%v
-----BEGIN BITCOIN SIGNATURE-----
Version: Bitcoin-qt (1.0)
PublicKey: %v
Chain: %v

%v
-----END BITCOIN SIGNATURE-----

`, string(message), pubKey, chain, signature)

}
Example #2
0
func makeMasters() {
	pubKey, chain, mPrivKey := bitcoin.ComputeMastersFromSeed("this is a test")
	Info(pubKey, ", ", chain, ", ", mPrivKey)

	// Now create an address for path "0/1/1"
	privKey := bitcoin.ComputePrivateKey(mPrivKey, chain, "0/1", 1)
	addr := bitcoin.ComputeAddressForPrivKey("BTC", privKey)

	// See that the addr matches the other derivation
	addr2 := bitcoin.ComputeAddress("BTC", pubKey, chain, "0/1", 1)
	if addr == addr2 {
		Info("Address matches: %v", addr)
	} else {
		Warn("Address does not match: %v vs %v", addr, addr2)
	}
}