Golang btc.NewAddrFromString函数代码示例

func ReloadMiners() {
	d, _ := ioutil.ReadFile("miners.json")
	if d != nil {
		var MinerIdFile [][3]string
		e := json.Unmarshal(d, &MinerIdFile)
		if e != nil {
			println("miners.json", e.Error())
			return
		}
		MinerIds = nil
		for _, r := range MinerIdFile {
			var rec oneMinerId
			rec.Name = r[0]
			if r[1] != "" {
				rec.Tag = []byte(r[1])
			} else {
				if a, _ := btc.NewAddrFromString(r[2]); a != nil {
					rec.Tag = a.OutScript()
				} else {
					println("Error in miners.json for", r[0])
					continue
				}
			}
			MinerIds = append(MinerIds, rec)
		}
	}
}

func load_wallet(fn string) (addrs []*btc.BtcAddr) {
	f, e := os.Open(fn)
	if e != nil {
		println(e.Error())
		return
	}
	defer f.Close()
	rd := bufio.NewReader(f)
	linenr := 0
	for {
		var l string
		l, e = rd.ReadString('\n')
		l = strings.Trim(l, " \t\r\n")
		linenr++
		if len(l) > 0 {
			if l[0] == '@' {
				fmt.Println("netsted wallet in line", linenr, "- ignore it")
			} else if l[0] != '#' {
				ls := strings.SplitN(l, " ", 2)
				if len(ls) > 0 {
					a, e := btc.NewAddrFromString(ls[0])
					if e != nil {
						println(fmt.Sprint(fn, ":", linenr), e.Error())
					} else {
						addrs = append(addrs, a)
					}
				}
			}
		}
		if e != nil {
			break
		}
	}
	return
}

// parse the "-send ..." parameter
func parse_spend() {
	outs := strings.Split(*send, ",")

	for i := range outs {
		tmp := strings.Split(strings.Trim(outs[i], " "), "=")
		if len(tmp) != 2 {
			println("The outputs must be in a format address1=amount1[,addressN=amountN]")
			cleanExit(1)
		}

		a, e := btc.NewAddrFromString(tmp[0])
		if e != nil {
			println("NewAddrFromString:", e.Error())
			cleanExit(1)
		}
		assert_address_version(a)

		am, er := btc.StringToSatoshis(tmp[1])
		if er != nil {
			println("Incorrect amount: ", tmp[1], er.Error())
			cleanExit(1)
		}
		if *subfee {
			am -= curFee
		}

		sendTo = append(sendTo, oneSendTo{addr: a, amount: am})
		spendBtc += am
	}
}

func list_unspent(addr string) {
	fmt.Println("Checking unspent coins for addr", addr)

	defer func() { // in case if ad.OutScript() would panic
		if r := recover(); r != nil {
			err := r.(error)
			fmt.Println("main panic recovered:", err.Error())
		}
	}()

	var ad *btc.BtcAddr
	var e error
	ad, e = btc.NewAddrFromString(addr)
	if e != nil {
		println(e.Error())
		return
	}
	sa := ad.StealthAddr
	exp_scr := ad.OutScript()
	var walk chain.FunctionWalkUnspent
	var unsp chain.AllUnspentTx

	if sa == nil {
		walk = func(db *qdb.DB, k qdb.KeyType, rec *chain.OneWalkRecord) uint32 {
			if bytes.Equal(rec.Script(), exp_scr) {
				unsp = append(unsp, rec.ToUnspent(ad))
			}
			return 0
		}
	} else {
		wallet.FetchStealthKeys()
		d := wallet.FindStealthSecret(sa)
		if d == nil {
			fmt.Println("No matching secret found in your wallet/stealth folder")
			return
		}
		walk = func(db *qdb.DB, k qdb.KeyType, rec *chain.OneWalkRecord) uint32 {
			if !rec.IsStealthIdx() {
				return 0
			}
			fl, uo := wallet.CheckStealthRec(db, k, rec, ad, d, true)
			if uo != nil {
				unsp = append(unsp, uo)
			}
			return fl
		}
	}
	common.BlockChain.Unspent.BrowseUTXO(false, walk)

	sort.Sort(unsp)
	var sum uint64
	for i := range unsp {
		if len(unsp) < 200 {
			fmt.Println(unsp[i].String())
		}
		sum += unsp[i].Value
	}
	fmt.Printf("Total %.8f unspent BTC in %d outputs at address %s\n",
		float64(sum)/1e8, len(unsp), ad.String())
}

func main() {
	var testnet bool
	if len(os.Args) != 2 {
		fmt.Println("Specify one P2KH bitcoin address to see it's P2SH-P2WPKH deposit address")
		fmt.Println("WARNING: Make sure the input address comes from an uncompressed key!!!!!")
		return
	}
	aa, er := btc.NewAddrFromString(os.Args[1])
	if er != nil {
		println(er.Error())
		return
	}

	if btc.AddrVerPubkey(false) == aa.Version {
	} else if btc.AddrVerPubkey(true) == aa.Version {
		testnet = true
	} else {
		fmt.Println("This does nto seem to be P2KH type address")
		return
	}

	h160 := btc.Rimp160AfterSha256(append([]byte{0, 20}, aa.Hash160[:]...))
	aa = btc.NewAddrFromHash160(h160[:], btc.AddrVerScript(testnet))
	fmt.Println(aa.String())
}

// return the change addrress or nil if there will be no change
func get_change_addr() (chng *btc.BtcAddr) {
	if *change != "" {
		var e error
		chng, e = btc.NewAddrFromString(*change)
		if e != nil {
			println("Change address:", e.Error())
			cleanExit(1)
		}
		assert_address_version(chng)
		return
	}

	// If change address not specified, send it back to the first input
	for idx := range unspentOuts {
		if unspentOuts[idx].stealth {
			continue // cannot send change to a stelath address since we don't know the scankey
		}
		uo := getUO(&unspentOuts[idx].TxPrevOut)
		if k := pkscr_to_key(uo.Pk_script); k != nil {
			chng = k.BtcAddr
			return
		}
	}

	fmt.Println("ERROR: Could not determine address where to send change. Add -change switch")
	cleanExit(1)
	return
}

// return the change addrress or nil if there will be no change
func get_change_addr() (chng *btc.BtcAddr) {
	if *change != "" {
		var e error
		chng, e = btc.NewAddrFromString(*change)
		if e != nil {
			println("Change address:", e.Error())
			os.Exit(1)
		}
		return
	}

	// If change address not specified, send it back to the first input
	uo := UO(unspentOuts[0])
	for j := range publ_addrs {
		if publ_addrs[j].Owns(uo.Pk_script) {
			if is_stealth[j] {
				println("Cannot send change to a stealth address. Use -change param")
				os.Exit(1)
			}
			chng = publ_addrs[j]
			return
		}
	}

	fmt.Println("You do not own the address of the first input, nor specified -change")
	os.Exit(1)
	return
}

func address_to_key(addr string) *btc.PrivateAddr {
	a, e := btc.NewAddrFromString(addr)
	if e != nil {
		println("Cannot Decode address", addr)
		println(e.Error())
		cleanExit(1)
	}
	return hash_to_key(a.Hash160[:])
}

func do_scan_stealth(p string, ignore_prefix bool) {
	ad, _ := btc.NewAddrFromString(p)
	if ad == nil {
		fmt.Println("Specify base58 encoded bitcoin address")
		return
	}

	sa := ad.StealthAddr
	if sa == nil {
		fmt.Println("Specify base58 encoded stealth address")
		return
	}
	if sa.Version != btc.StealthAddressVersion(common.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:]))
	}

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

	var unsp chain.AllUnspentTx

	common.BlockChain.Unspent.BrowseUTXO(true, func(db *qdb.DB, k qdb.KeyType, rec *chain.OneWalkRecord) uint32 {
		if !rec.IsStealthIdx() {
			return 0
		}
		fl, uo := wallet.CheckStealthRec(db, k, rec, ad, d, true)
		if uo != nil {
			unsp = append(unsp, uo)
		}
		return fl
	})

	sort.Sort(unsp)
	os.RemoveAll("balance")
	os.MkdirAll("balance/", 0770)
	utxt, _ := os.Create("balance/unspent.txt")
	fmt.Print(wallet.DumpBalance(unsp, utxt, true, false))
}

func ValidateAddress(addr string) interface{} {
	a, e := btc.NewAddrFromString(addr)
	if e != nil {
		return new(InvalidAddressResponse)
	}
	res := new(ValidAddressResponse)
	res.IsValid = true
	res.Address = addr
	res.ScriptPubKey = hex.EncodeToString(a.OutScript())
	return res
	//res.IsMine = false
	//res.IsWatchOnly = false
	//res.IsScript = false
}

// parse the "-batch ..." parameter
func parse_batch() {
	f, e := os.Open(*batch)
	if e == nil {
		defer f.Close()
		td := bufio.NewReader(f)
		var lcnt int
		for {
			li, _, _ := td.ReadLine()
			if li == nil {
				break
			}
			lcnt++
			tmp := strings.SplitN(strings.Trim(string(li), " "), "=", 2)
			if len(tmp) < 2 {
				println("Error in the batch file line", lcnt)
				cleanExit(1)
			}
			if tmp[0][0] == '#' {
				continue // Just a comment-line
			}

			a, e := btc.NewAddrFromString(tmp[0])
			if e != nil {
				println("NewAddrFromString:", e.Error())
				cleanExit(1)
			}
			assert_address_version(a)

			am, e := btc.StringToSatoshis(tmp[1])
			if e != nil {
				println("StringToSatoshis:", e.Error())
				cleanExit(1)
			}

			sendTo = append(sendTo, oneSendTo{addr: a, amount: am})
			spendBtc += am
		}
	} else {
		println(e.Error())
		cleanExit(1)
	}
}

func dump_prvkey() {
	if *dumppriv == "*" {
		// Dump all private keys
		for i := range priv_keys {
			if len(publ_addrs[i].Pubkey) == 33 {
				fmt.Println(sec2b58com(priv_keys[i]), publ_addrs[i].String(), labels[i])
			} else {
				fmt.Println(sec2b58unc(priv_keys[i]), publ_addrs[i].String(), labels[i])
			}
		}
	} else {
		// single key
		a, e := btc.NewAddrFromString(*dumppriv)
		if e != nil {
			println("Dump Private Key:", e.Error())
			return
		}
		if a.Version != AddrVerPubkey() {
			println("Dump Private Key: Version byte mismatch", a.Version, AddrVerPubkey())
			return
		}
		for i := range priv_keys {
			if publ_addrs[i].Hash160 == a.Hash160 {
				fmt.Println("Public address:", publ_addrs[i].String(), labels[i])
				fmt.Println("Public hexdump:", hex.EncodeToString(publ_addrs[i].Pubkey))
				fmt.Println("Public compressed:", len(publ_addrs[i].Pubkey) == 33)
				if len(publ_addrs[i].Pubkey) == 33 {
					fmt.Println("Private encoded:", sec2b58com(priv_keys[i]))
				} else {
					fmt.Println("Private encoded:", sec2b58unc(priv_keys[i]))
				}
				fmt.Println("Private hexdump:", hex.EncodeToString(priv_keys[i]))
				return
			}
		}
		println("Dump Private Key:", a.String(), "not found it the wallet")
	}
}

func list_unspent(addr string) {
	fmt.Println("Checking unspent coins for addr", addr)

	ad, e := btc.NewAddrFromString(addr)
	if e != nil {
		println(e.Error())
		return
	}

	unsp := wallet.GetAllUnspent(ad)
	if len(unsp) == 0 {
		fmt.Println(ad.String(), "has no coins")
	} else {
		var tot uint64
		sort.Sort(unsp)
		for i := range unsp {
			tot += unsp[i].Value
		}
		fmt.Println(ad.String(), "has", btc.UintToBtc(tot), "BTC in", len(unsp), "records:")
		for i := range unsp {
			fmt.Println(unsp[i].String())
		}
	}
}

func dl_payment(w http.ResponseWriter, r *http.Request) {
	if !ipchecker(r) {
		return
	}

	var err string

	if len(r.Form["outcnt"]) == 1 {
		var thisbal chain.AllUnspentTx
		var pay_cmd string
		var totalinput, spentsofar uint64
		var change_addr *btc.BtcAddr
		var multisig_input []*wallet.MultisigAddr

		addrs_to_msign := make(map[string]bool)

		tx := new(btc.Tx)
		tx.Version = 1
		tx.Lock_time = 0

		outcnt, _ := strconv.ParseUint(r.Form["outcnt"][0], 10, 32)

		wallet.BalanceMutex.Lock()
		for i := 1; i <= int(outcnt); i++ {
			is := fmt.Sprint(i)
			if len(r.Form["txout"+is]) == 1 && r.Form["txout"+is][0] == "on" {
				hash := btc.NewUint256FromString(r.Form["txid"+is][0])
				if hash != nil {
					vout, er := strconv.ParseUint(r.Form["txvout"+is][0], 10, 32)
					if er == nil {
						var po = btc.TxPrevOut{Hash: hash.Hash, Vout: uint32(vout)}
						for j := range wallet.MyBalance {
							if wallet.MyBalance[j].TxPrevOut == po {
								thisbal = append(thisbal, wallet.MyBalance[j])

								// Add the input to our tx
								tin := new(btc.TxIn)
								tin.Input = wallet.MyBalance[j].TxPrevOut
								tin.Sequence = 0xffffffff
								tx.TxIn = append(tx.TxIn, tin)

								// Add new multisig address description
								_, msi := wallet.IsMultisig(wallet.MyBalance[j].BtcAddr)
								multisig_input = append(multisig_input, msi)
								if msi != nil {
									for ai := range msi.ListOfAddres {
										addrs_to_msign[msi.ListOfAddres[ai]] = true
									}
								}

								// Add the value to total input value
								totalinput += wallet.MyBalance[j].Value

								// If no change specified, use the first input addr as it
								if change_addr == nil {
									change_addr = wallet.MyBalance[j].BtcAddr
								}
							}
						}
					}
				}
			}
		}
		wallet.BalanceMutex.Unlock()

		for i := 1; ; i++ {
			adridx := fmt.Sprint("adr", i)
			btcidx := fmt.Sprint("btc", i)

			if len(r.Form[adridx]) != 1 || len(r.Form[btcidx]) != 1 {
				break
			}

			if len(r.Form[adridx][0]) > 1 {
				addr, er := btc.NewAddrFromString(r.Form[adridx][0])
				if er == nil {
					am, er := btc.StringToSatoshis(r.Form[btcidx][0])
					if er == nil && am > 0 {
						if pay_cmd == "" {
							pay_cmd = "wallet -useallinputs -send "
						} else {
							pay_cmd += ","
						}
						pay_cmd += addr.Enc58str + "=" + btc.UintToBtc(am)

						outs, er := btc.NewSpendOutputs(addr, am, common.CFG.Testnet)
						if er != nil {
							err = er.Error()
							goto error
						}
						tx.TxOut = append(tx.TxOut, outs...)

						spentsofar += am
					} else {
						err = "Incorrect amount (" + r.Form[btcidx][0] + ") for Output #" + fmt.Sprint(i)
						goto error
					}
				} else {
					err = "Incorrect address (" + r.Form[adridx][0] + ") for Output #" + fmt.Sprint(i)
					goto error
//.........这里部分代码省略.........

func list_unspent(addr string) {
	fmt.Println("Checking unspent coins for addr", addr)

	defer func() { // in case if ad.OutScript() would panic
		if r := recover(); r != nil {
			err := r.(error)
			fmt.Println("main panic recovered:", err.Error())
		}
	}()

	var ad *btc.BtcAddr
	var e error
	ad, e = btc.NewAddrFromString(addr)
	if e != nil {
		println(e.Error())
		return
	}
	sa := ad.StealthAddr
	var walk chain.FunctionWalkUnspent
	var unsp chain.AllUnspentTx

	if sa == nil {
		exp_scr := ad.OutScript()
		walk = func(tx *chain.QdbRec) {
			for idx, rec := range tx.Outs {
				if rec != nil && bytes.Equal(rec.PKScr, exp_scr) {
					unsp = append(unsp, tx.ToUnspent(uint32(idx), ad))
				}
			}
		}
	} else {
		var c, spen_exp []byte
		var rec, out *chain.QdbTxOut
		var h160 [20]byte

		wallet.FetchStealthKeys()
		d := wallet.FindStealthSecret(sa)
		if d == nil {
			fmt.Println("No matching secret found in your wallet/stealth folder")
			return
		}
		walk = func(tx *chain.QdbRec) {
			for i := 0; i < len(tx.Outs)-1; i++ {
				if rec = tx.Outs[i]; rec == nil {
					continue
				}
				if out = tx.Outs[i+1]; out == nil {
					continue
				}
				if !rec.IsStealthIdx() || !out.IsP2KH() || !ad.StealthAddr.CheckNonce(rec.PKScr[3:40]) {
					continue
				}
				c = btc.StealthDH(rec.PKScr[7:40], d)
				spen_exp = btc.DeriveNextPublic(sa.SpendKeys[0][:], c)
				btc.RimpHash(spen_exp, h160[:])
				if bytes.Equal(out.PKScr[3:23], h160[:]) {
					uo := new(chain.OneUnspentTx)
					uo.TxPrevOut.Hash = tx.TxID
					uo.TxPrevOut.Vout = uint32(i + 1)
					uo.Value = out.Value
					uo.MinedAt = tx.InBlock
					uo.BtcAddr = btc.NewAddrFromHash160(h160[:], btc.AddrVerPubkey(common.CFG.Testnet))
					uo.FixDestString()
					uo.BtcAddr.StealthAddr = sa
					uo.BtcAddr.Extra = ad.Extra
					uo.StealthC = c
					unsp = append(unsp, uo)
				}
			}
		}
	}
	common.BlockChain.Unspent.BrowseUTXO(false, walk)

	sort.Sort(unsp)
	var sum uint64
	for i := range unsp {
		if len(unsp) < 200 {
			fmt.Println(unsp[i].String())
		}
		sum += unsp[i].Value
	}
	fmt.Printf("Total %.8f unspent BTC in %d outputs at address %s\n",
		float64(sum)/1e8, len(unsp), ad.String())
}