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)
}
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)
}
}