func main() {
var testnet bool
if len(os.Args) < 3 {
fmt.Println("Specify secret, public_key and optionaly number of addresses you want.")
fmt.Println("Use a negative value for number of addresses, to work with Testnet addresses.")
return
}
public_key, er := hex.DecodeString(os.Args[2])
if er != nil {
println("Error parsing public_key:", er.Error())
os.Exit(1)
}
if len(public_key) == 33 && (public_key[0] == 2 || public_key[0] == 3) {
fmt.Println("Compressed")
} else if len(public_key) == 65 && (public_key[0] == 4) {
fmt.Println("Uncompressed")
} else {
println("Incorrect public key")
}
secret, er := hex.DecodeString(os.Args[1])
if er != nil {
println("Error parsing secret:", er.Error())
os.Exit(1)
}
n := int64(25)
if len(os.Args) > 3 {
n, er = strconv.ParseInt(os.Args[3], 10, 32)
if er != nil {
println("Error parsing number of keys value:", er.Error())
os.Exit(1)
}
if n == 0 {
return
}
if n < 0 {
n = -n
testnet = true
}
}
fmt.Println("# Type-2")
fmt.Println("#", hex.EncodeToString(public_key))
fmt.Println("#", hex.EncodeToString(secret))
for i := 1; i <= int(n); i++ {
fmt.Println(btc.NewAddrFromPubkey(public_key, btc.AddrVerPubkey(testnet)).String(), "TypB", i)
if i >= int(n) {
break
}
public_key = btc.DeriveNextPublic(public_key, secret)
}
}
func listarmkeys(p string) {
if p != "seed" {
if len(wallet.StealthSecrets) > 0 {
fmt.Println("Persistent secret scan keys:")
for i := range wallet.StealthSecrets {
pk := btc.PublicFromPrivate(wallet.StealthSecrets[i], true)
fmt.Print(" #", i, " ", hex.EncodeToString(pk))
if p == "addr" {
fmt.Print(" ", btc.NewAddrFromPubkey(pk, btc.AddrVerPubkey(common.Testnet)).String())
}
fmt.Println()
}
} else {
fmt.Println("You have no persistent secret scan keys")
}
}
if p != "file" {
if len(wallet.ArmedStealthSecrets) > 0 {
fmt.Println("Volatile secret scan keys:")
for i := range wallet.ArmedStealthSecrets {
pk := btc.PublicFromPrivate(wallet.ArmedStealthSecrets[i], true)
fmt.Print(" #", i, " ", hex.EncodeToString(pk))
if p == "addr" {
fmt.Print(" ", btc.NewAddrFromPubkey(pk, btc.AddrVerPubkey(common.Testnet)).String())
}
if p == "save" {
fn := common.GocoinHomeDir + "wallet/stealth/" + hex.EncodeToString(pk)
if fi, er := os.Stat(fn); er == nil && fi.Size() >= 32 {
fmt.Print(" already on disk")
} else {
ioutil.WriteFile(fn, wallet.ArmedStealthSecrets[i], 0600)
fmt.Print(" saved")
}
sys.ClearBuffer(wallet.ArmedStealthSecrets[i])
}
fmt.Println()
}
} else {
fmt.Println("You have no volatile secret scan keys")
}
}
if p == "save" {
wallet.ArmedStealthSecrets = nil
wallet.FetchStealthKeys()
}
}
func main() {
if len(os.Args) < 3 {
fmt.Println("Specify secret and public_key to get the next Type-2 deterministic address")
fmt.Println("Add -t as the third argument to work with Testnet addresses.")
return
}
public_key, er := hex.DecodeString(os.Args[2])
if er != nil {
println("Error parsing public_key:", er.Error())
os.Exit(1)
}
if len(public_key) == 33 && (public_key[0] == 2 || public_key[0] == 3) {
fmt.Println("Compressed")
} else if len(public_key) == 65 && (public_key[0] == 4) {
fmt.Println("Uncompressed")
} else {
println("Incorrect public key")
}
secret, er := hex.DecodeString(os.Args[1])
if er != nil {
println("Error parsing secret:", er.Error())
os.Exit(1)
}
testnet := len(os.Args) > 3 && os.Args[3] == "-t"
// Old address
public_key = btc.DeriveNextPublic(public_key, secret)
// New address
fmt.Println(btc.NewAddrFromPubkey(public_key, btc.AddrVerPubkey(testnet)).String())
// New key
fmt.Println(hex.EncodeToString(public_key))
}
// this function signs either a message or a raw transaction hash
func sign_message() {
var hash []byte
if *signhash != "" {
var er error
hash, er = hex.DecodeString(*signhash)
if er != nil {
println("Incorrect content of -hash parameter")
println(er.Error())
return
}
}
ad2s, e := btc.NewAddrFromString(*signaddr)
if e != nil {
println(e.Error())
if *signhash != "" {
println("Always use -sign <addr> along with -hash <msghash>")
}
return
}
var privkey []byte
var compr bool
for i := range publ_addrs {
if publ_addrs[i].Hash160 == ad2s.Hash160 {
privkey = priv_keys[i][:]
compr = compressed_key[i]
// Sign raw hash?
if hash != nil {
txsig := new(btc.Signature)
txsig.HashType = 0x01
r, s, e := btc.EcdsaSign(privkey, hash)
if e != nil {
println(e.Error())
return
}
txsig.R.Set(r)
txsig.S.Set(s)
fmt.Println("PublicKey:", hex.EncodeToString(publ_addrs[i].Pubkey))
fmt.Println(hex.EncodeToString(txsig.Bytes()))
return
}
break
}
}
if privkey == nil {
println("You do not have a private key for", ad2s.String())
return
}
var msg []byte
if *message == "" {
msg, _ = ioutil.ReadAll(os.Stdin)
} else {
msg = []byte(*message)
}
hash = make([]byte, 32)
if litecoin {
ltc.HashFromMessage(msg, hash)
} else {
btc.HashFromMessage(msg, hash)
}
btcsig := new(btc.Signature)
var sb [65]byte
sb[0] = 27
if compr {
sb[0] += 4
}
r, s, e := btc.EcdsaSign(privkey, hash)
if e != nil {
println(e.Error())
return
}
btcsig.R.Set(r)
btcsig.S.Set(s)
rd := btcsig.R.Bytes()
sd := btcsig.S.Bytes()
copy(sb[1+32-len(rd):], rd)
copy(sb[1+64-len(sd):], sd)
rpk := btcsig.RecoverPublicKey(hash[:], 0)
sa := btc.NewAddrFromPubkey(rpk.Bytes(compr), ad2s.Version)
if sa.Hash160 == ad2s.Hash160 {
fmt.Println(base64.StdEncoding.EncodeToString(sb[:]))
return
}
rpk = btcsig.RecoverPublicKey(hash[:], 1)
sa = btc.NewAddrFromPubkey(rpk.Bytes(compr), ad2s.Version)
if sa.Hash160 == ad2s.Hash160 {
sb[0]++
fmt.Println(base64.StdEncoding.EncodeToString(sb[:]))
return
}
println("Something went wrong. The message has not been signed.")
}
func main() {
var msg []byte
flag.Parse()
if *help || *addr == "" || *sign == "" {
flag.PrintDefaults()
return
}
ad, er := btc.NewAddrFromString(*addr)
if !*litecoin && ad != nil && ad.Version == ltc.AddrVerPubkey(false) {
*litecoin = true
}
if er != nil {
println("Address:", er.Error())
flag.PrintDefaults()
return
}
nv, btcsig, er := btc.ParseMessageSignature(*sign)
if er != nil {
println("ParseMessageSignature:", er.Error())
return
}
if *mess != "" {
msg = []byte(*mess)
} else if *mfil != "" {
msg, er = ioutil.ReadFile(*mfil)
if er != nil {
println(er.Error())
return
}
} else {
fmt.Println("Enter the message:")
msg, _ = ioutil.ReadAll(os.Stdin)
}
if *unix {
fmt.Println("Enforcing Unix text format")
msg = []byte(strings.Replace(string(msg), "\r", "", -1))
}
hash := make([]byte, 32)
if *litecoin {
ltc.HashFromMessage(msg, hash)
} else {
btc.HashFromMessage(msg, hash)
}
compressed := false
if nv >= 31 {
//println("compressed key")
nv -= 4
compressed = true
}
pub := btcsig.RecoverPublicKey(hash[:], int(nv-27))
if pub != nil {
pk := pub.Bytes(compressed)
ok := btc.EcdsaVerify(pk, btcsig.Bytes(), hash)
if ok {
sa := btc.NewAddrFromPubkey(pk, ad.Version)
if ad.Hash160 != sa.Hash160 {
fmt.Println("BAD signature for", ad.String())
os.Exit(1)
} else {
fmt.Println("Good signature for", sa.String())
}
} else {
println("BAD signature")
os.Exit(1)
}
} else {
println("BAD, BAD, BAD signature")
os.Exit(1)
}
}
// this function signs either a message or a raw hash
func sign_message() {
var hash []byte
var signkey *btc.PrivateAddr
signkey = address_to_key(*signaddr)
if signkey == nil {
println("You do not have a private key for", *signaddr)
return
}
if *signhash != "" {
hash, er := hex.DecodeString(*signhash)
if er != nil {
println("Incorrect content of -hash parameter")
println(er.Error())
return
} else if len(hash) > 0 {
txsig := new(btc.Signature)
txsig.HashType = 0x01
r, s, e := btc.EcdsaSign(signkey.Key, hash)
if e != nil {
println(e.Error())
return
}
txsig.R.Set(r)
txsig.S.Set(s)
fmt.Println("PublicKey:", hex.EncodeToString(signkey.BtcAddr.Pubkey))
fmt.Println(hex.EncodeToString(txsig.Bytes()))
return
}
}
var msg []byte
if *message == "" {
msg, _ = ioutil.ReadAll(os.Stdin)
} else {
msg = []byte(*message)
}
hash = make([]byte, 32)
if litecoin {
ltc.HashFromMessage(msg, hash)
} else {
btc.HashFromMessage(msg, hash)
}
btcsig := new(btc.Signature)
var sb [65]byte
sb[0] = 27
if signkey.IsCompressed() {
sb[0] += 4
}
r, s, e := btc.EcdsaSign(signkey.Key, hash)
if e != nil {
println(e.Error())
return
}
btcsig.R.Set(r)
btcsig.S.Set(s)
rd := btcsig.R.Bytes()
sd := btcsig.S.Bytes()
copy(sb[1+32-len(rd):], rd)
copy(sb[1+64-len(sd):], sd)
rpk := btcsig.RecoverPublicKey(hash[:], 0)
sa := btc.NewAddrFromPubkey(rpk.Bytes(signkey.IsCompressed()), signkey.BtcAddr.Version)
if sa.Hash160 == signkey.BtcAddr.Hash160 {
fmt.Println(base64.StdEncoding.EncodeToString(sb[:]))
return
}
rpk = btcsig.RecoverPublicKey(hash[:], 1)
sa = btc.NewAddrFromPubkey(rpk.Bytes(signkey.IsCompressed()), signkey.BtcAddr.Version)
if sa.Hash160 == signkey.BtcAddr.Hash160 {
sb[0]++
fmt.Println(base64.StdEncoding.EncodeToString(sb[:]))
return
}
println("Something went wrong. The message has not been signed.")
}
// load the content of the "balance/" folder
func load_balance(showbalance bool) {
var unknownInputs, multisigInputs int
f, e := os.Open("balance/unspent.txt")
if e != nil {
println(e.Error())
return
}
rd := bufio.NewReader(f)
for {
l, _, e := rd.ReadLine()
if len(l) == 0 && e != nil {
break
}
if l[64] == '-' {
txid := btc.NewUint256FromString(string(l[:64]))
rst := strings.SplitN(string(l[65:]), " ", 2)
vout, _ := strconv.ParseUint(rst[0], 10, 32)
uns := new(btc.TxPrevOut)
copy(uns.Hash[:], txid.Hash[:])
uns.Vout = uint32(vout)
lab := ""
if len(rst) > 1 {
lab = rst[1]
}
str := string(l)
if sti := strings.Index(str, "_StealthC:"); sti != -1 {
c, e := hex.DecodeString(str[sti+10 : sti+10+64])
if e != nil {
fmt.Println("ERROR at stealth", txid.String(), vout, e.Error())
} else {
// add a new key to the wallet
sec := btc.DeriveNextPrivate(first_seed[:], c)
is_stealth[len(priv_keys)] = true
priv_keys = append(priv_keys, sec)
labels = append(labels, lab)
pub_key := btc.PublicFromPrivate(sec, true)
publ_addrs = append(publ_addrs, btc.NewAddrFromPubkey(pub_key, AddrVerPubkey()))
compressed_key = append(compressed_key, true) // stealth keys are always compressed
}
}
if _, ok := loadedTxs[txid.Hash]; !ok {
tf, _ := os.Open("balance/" + txid.String() + ".tx")
if tf != nil {
siz, _ := tf.Seek(0, os.SEEK_END)
tf.Seek(0, os.SEEK_SET)
buf := make([]byte, siz)
tf.Read(buf)
tf.Close()
th := btc.Sha2Sum(buf)
if bytes.Equal(th[:], txid.Hash[:]) {
tx, _ := btc.NewTx(buf)
if tx != nil {
loadedTxs[txid.Hash] = tx
} else {
println("transaction is corrupt:", txid.String())
}
} else {
println("transaction file is corrupt:", txid.String())
os.Exit(1)
}
} else {
println("transaction file not found:", txid.String())
os.Exit(1)
}
}
// Sum up all the balance and check if we have private key for this input
uo := UO(uns)
add_it := true
if !btc.IsP2SH(uo.Pk_script) {
fnd := false
for j := range publ_addrs {
if publ_addrs[j].Owns(uo.Pk_script) {
fnd = true
break
}
}
if !fnd {
if *onlvalid {
add_it = false
}
if showbalance {
unknownInputs++
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "does not belong to your wallet (cannot sign it)")
}
}
}
} else {
if *onlvalid {
add_it = false
}
if *verbose {
ss := uns.String()
ss = ss[:8] + "..." + ss[len(ss)-12:]
fmt.Println(ss, "belongs to a multisig address")
}
multisigInputs++
}
if add_it {
unspentOuts = append(unspentOuts, uns)
unspentOutsLabel = append(unspentOutsLabel, lab)
totBtc += UO(uns).Value
}
}
}
f.Close()
fmt.Printf("You have %.8f BTC in %d unspent outputs. %d inputs are multisig type\n",
float64(totBtc)/1e8, len(unspentOuts), multisigInputs)
if showbalance {
if unknownInputs > 0 {
fmt.Printf("WARNING: Some inputs (%d) cannot be spent with this password (-v to print them)\n", unknownInputs)
}
}
}
func load_others() {
f, e := os.Open(RawKeysFilename)
if e == nil {
defer f.Close()
td := bufio.NewReader(f)
for {
li, _, _ := td.ReadLine()
if li == nil {
break
}
if len(li) == 0 {
continue
}
pk := strings.SplitN(strings.Trim(string(li), " "), " ", 2)
if pk[0][0] == '#' {
continue // Just a comment-line
}
pkb := btc.Decodeb58(pk[0])
if pkb == nil {
println("Decodeb58 failed:", pk[0])
continue
}
if len(pkb) < 6 {
println("Syntax error in the raw keys file:", pk[0])
continue
}
if len(pkb) != 37 && len(pkb) != 38 {
println(pk[0][:6], "has wrong key", len(pkb))
println(hex.EncodeToString(pkb))
continue
}
if pkb[0] != AddrVerSecret() {
println(pk[0][:6], "has version", pkb[0], "while we expect", AddrVerSecret())
fmt.Println("You may want to play with -t or -ltc switch")
continue
}
var sh [32]byte
var compr bool
if len(pkb) == 37 {
// old/uncompressed key
sh = btc.Sha2Sum(pkb[0:33])
if !bytes.Equal(sh[:4], pkb[33:37]) {
println(pk[0][:6], "checksum error")
continue
}
compr = false
} else {
if pkb[33] != 1 {
println(pk[0][:6], "a key of length 38 bytes must be compressed")
continue
}
sh = btc.Sha2Sum(pkb[0:34])
if !bytes.Equal(sh[:4], pkb[34:38]) {
println(pk[0][:6], "checksum error")
continue
}
compr = true
}
key := pkb[1:33]
pub := btc.PublicFromPrivate(key, compr)
if pub == nil {
println("PublicFromPrivate failed")
os.Exit(1)
}
priv_keys = append(priv_keys, key)
compressed_key = append(compressed_key, compr)
publ_addrs = append(publ_addrs, btc.NewAddrFromPubkey(pub, AddrVerPubkey()))
if len(pk) > 1 {
labels = append(labels, pk[1])
} else {
labels = append(labels, fmt.Sprint("Other ", len(priv_keys)))
}
}
if *verbose {
fmt.Println(len(priv_keys), "keys imported from", RawKeysFilename)
}
} else {
if *verbose {
fmt.Println("You can also have some dumped (b58 encoded) priv keys in file", RawKeysFilename)
}
}
}
// Get the secret seed and generate "keycnt" key pairs (both private and public)
func make_wallet() {
var lab string
load_others()
seed_key := make([]byte, 32)
if !getseed(seed_key) {
os.Exit(0)
}
defer func() {
sys.ClearBuffer(seed_key)
}()
switch waltype {
case 1:
lab = "TypA"
println("WARNING: Wallet Type 1 is obsolete")
case 2:
lab = "TypB"
if type2sec != "" {
d, e := hex.DecodeString(type2sec)
if e != nil {
println("t2sec error:", e.Error())
os.Exit(1)
}
type2_secret = d
} else {
type2_secret = make([]byte, 20)
btc.RimpHash(seed_key, type2_secret)
}
case 3:
lab = "TypC"
default:
println("ERROR: Unsupported wallet type", waltype)
os.Exit(0)
}
if *verbose {
fmt.Println("Generating", keycnt, "keys, version", AddrVerPubkey(), "...")
}
for i := uint(0); i < keycnt; {
prv_key := make([]byte, 32)
if waltype == 3 {
btc.ShaHash(seed_key, prv_key)
seed_key = append(seed_key, byte(i))
} else if waltype == 2 {
seed_key = btc.DeriveNextPrivate(seed_key, type2_secret)
copy(prv_key, seed_key)
} else {
btc.ShaHash(seed_key, prv_key)
copy(seed_key, prv_key)
}
priv_keys = append(priv_keys, prv_key)
if *scankey != "" {
new_stealth_address(prv_key)
return
}
// for stealth keys
if i == 0 {
copy(first_seed[:], prv_key)
}
compressed_key = append(compressed_key, !uncompressed)
pub := btc.PublicFromPrivate(prv_key, !uncompressed)
if pub != nil {
adr := btc.NewAddrFromPubkey(pub, AddrVerPubkey())
if *pubkey != "" && *pubkey == adr.String() {
fmt.Println("Public address:", adr.String())
fmt.Println("Public hexdump:", hex.EncodeToString(pub))
return
}
publ_addrs = append(publ_addrs, adr)
labels = append(labels, fmt.Sprint(lab, " ", i+1))
i++
} else {
println("PublicFromPrivate error 3")
}
}
if *verbose {
fmt.Println("Private keys re-generated")
}
}
/*
{
"address" : "2NAHUDSC1EmbTBwQQp4VQ2FNzWDqHtmk1i6",
"redeemScript" : "512102cdc4fff0ad031ea5f2d0d4337e2bf976b84334f8f80b08fe3f69886d58bc5a8a2102ebf54926d3edaae51bde71f2976948559a8d43fce52f5e7ed9ed85dbaa449d7f52ae"
}
*/
func main() {
var testnet bool
if len(os.Args) < 3 {
fmt.Println("Specify one integer and at least one public key.")
fmt.Println("For Testent, make the integer negative.")
return
}
cnt, er := strconv.ParseInt(os.Args[1], 10, 32)
if er != nil {
println("Count value:", er.Error())
return
}
if cnt < 0 {
testnet = true
cnt = -cnt
}
if cnt < 1 || cnt > 16 {
println("The integer (required number of keys) must be between 1 and 16")
return
}
buf := new(bytes.Buffer)
buf.WriteByte(byte(0x50 + cnt))
fmt.Println("Trying to prepare multisig address for", cnt, "out of", len(os.Args)-2, "public keys ...")
var pkeys byte
var ads string
for i := 2; i < len(os.Args); i++ {
if pkeys == 16 {
println("Oh, give me a break. You don't need more than 16 public keys - stopping here!")
break
}
d, er := hex.DecodeString(os.Args[i])
if er != nil {
println("pubkey", i, er.Error())
}
_, er = btc.NewPublicKey(d)
if er != nil {
println("pubkey", i, er.Error())
return
}
pkeys++
buf.WriteByte(byte(len(d)))
buf.Write(d)
if ads != "" {
ads += ", "
}
ads += "\"" + btc.NewAddrFromPubkey(d, btc.AddrVerPubkey(testnet)).String() + "\""
}
buf.WriteByte(0x50 + pkeys)
buf.WriteByte(0xae)
p2sh := buf.Bytes()
addr := btc.NewAddrFromPubkey(p2sh, btc.AddrVerScript(testnet))
rec := "{\n"
rec += fmt.Sprintf("\t\"multiAddress\" : \"%s\",\n", addr.String())
rec += fmt.Sprintf("\t\"scriptPubKey\" : \"a914%s87\",\n", hex.EncodeToString(addr.Hash160[:]))
rec += fmt.Sprintf("\t\"keysRequired\" : %d,\n", cnt)
rec += fmt.Sprintf("\t\"keysProvided\" : %d,\n", pkeys)
rec += fmt.Sprintf("\t\"redeemScript\" : \"%s\",\n", hex.EncodeToString(p2sh))
rec += fmt.Sprintf("\t\"listOfAddres\" : [%s]\n", ads)
rec += "}\n"
fname := addr.String() + ".json"
ioutil.WriteFile(fname, []byte(rec), 0666)
fmt.Println("The address record stored in", fname)
}