Exemple #1
0
func main() {
	if len(os.Args) != 2 {
		fmt.Println("Specify Stealth Address to decode")
		return
	}
	a, e := btc.NewStealthAddrFromString(os.Args[1])
	if e != nil {
		println(e.Error())
		return
	}
	fmt.Println("vers", a.Version)
	fmt.Println("opts", a.Options)
	fmt.Println("scan", hex.EncodeToString(a.ScanKey[:]))
	for i := range a.SpendKeys {
		fmt.Println("spnd", hex.EncodeToString(a.SpendKeys[i][:]))
	}
	fmt.Println("sign", a.Sigs)
	fmt.Println("pref", hex.EncodeToString(a.Prefix))
}
Exemple #2
0
func do_scan_stealth(p string, ignore_prefix bool) {
	sa, _ := btc.NewStealthAddrFromString(p)
	if sa == nil {
		fmt.Println("Specify base58 encoded stealth address")
		return
	}
	if sa.Version != btc.StealthAddressVersion(common.CFG.Testnet) {
		fmt.Println("Incorrect version of the stealth address")
		return
	}
	if len(sa.SpendKeys) != 1 {
		fmt.Println("Currently only single spend keys are supported. This address has", len(sa.SpendKeys))
		return
	}

	//fmt.Println("scankey", hex.EncodeToString(sa.ScanKey[:]))
	if ignore_prefix {
		sa.Prefix = []byte{0}
		fmt.Println("Ignoring Prefix inside the address")
	} else if len(sa.Prefix) == 0 {
		fmt.Println("Prefix not present in the address")
	} else {
		fmt.Println("Prefix", sa.Prefix[0], hex.EncodeToString(sa.Prefix[1:]))
	}

	ds := wallet.FetchStealthKeys()
	if len(ds) == 0 {
		return
	}

	defer func() {
		for i := range ds {
			utils.ClearBuffer(ds[i])
		}
	}() // clear the keys in mem after all

	var d []byte

	for i := range ds {
		if bytes.Equal(btc.PublicFromPrivate(ds[i], true), sa.ScanKey[:]) {
			d = ds[i]
		}
	}

	if d == nil {
		fmt.Println("No matching secret found your wallet/stealth folder")
		return
	}

	var pos []*btc.TxPrevOut
	cs := make(map[uint64][]byte)
	as := make(map[uint64]*btc.BtcAddr)
	var ncnt uint

	common.BlockChain.Unspent.ScanStealth(sa, func(eth, txid []byte, vout uint32, scr []byte) bool {
		if len(scr) == 25 && scr[0] == 0x76 && scr[1] == 0xa9 && scr[2] == 0x14 && scr[23] == 0x88 && scr[24] == 0xac {
			var h160 [20]byte
			//yes := btc.NewUint256(txid).String()=="9cc90ff2528b49dfd9c53e5e90c98a1fd45d577af7f3a9e7a9f8a86b52fb0280"
			c := btc.StealthDH(eth, d)
			spen_exp := btc.DeriveNextPublic(sa.SpendKeys[0][:], c)
			btc.RimpHash(spen_exp, h160[:])
			if bytes.Equal(scr[3:23], h160[:]) {
				po := new(btc.TxPrevOut)
				copy(po.Hash[:], txid)
				po.Vout = vout
				pos = append(pos, po)
				cs[po.UIdx()] = c
				as[po.UIdx()] = btc.NewAddrFromHash160(h160[:], btc.AddrVerPubkey(common.CFG.Testnet))
			}
			ncnt++
			/*fmt.Printf("%s with c=%s",
				btc.NewAddrFromHash160(h160[:], btc.AddrVerPubkey(common.CFG.Testnet)).String(),
				hex.EncodeToString(c))
			fmt.Println()*/
			return true
		} else {
			return false
		}
	})

	fmt.Println(len(pos), "outputs, out of", ncnt, "notifications belonged to our wallet")

	var unsp btc.AllUnspentTx
	for i := range pos {
		po, e := common.BlockChain.Unspent.UnspentGet(pos[i])
		if e != nil {
			println("UnspentGet:", e.Error())
			println("This should not happen - please, report a bug.")
			println("You can probably fix it by launching the client with -rescan")
			os.Exit(1)
		}
		//fmt.Println(btc.NewUint256(pos[i].Hash[:]), pos[i].Vout+1, hex.EncodeToString(cs[pos[i].UIdx()]))
		one := &btc.OneUnspentTx{
			TxPrevOut: *pos[i],
			Value:     po.Value,
			MinedAt:   po.BlockHeight,
			BtcAddr:   as[pos[i].UIdx()],
			StealthC:  cs[pos[i].UIdx()]}
		unsp = append(unsp, one)
	}
	sort.Sort(unsp)
	os.RemoveAll("balance")
	os.MkdirAll("balance/", 0770)
	utxt, _ := os.Create("balance/unspent.txt")
	fmt.Print(wallet.DumpBalance(unsp, utxt, true, false))
}