// 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
}
// 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 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
}
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 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)
}
// 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 main() {
fmt.Println("Gocoin FetchBal version", lib.Version)
fmt.Println("NOTE: This tool is deprecated. Use balio instead.")
proxy = os.Getenv("TOR")
if proxy != "" {
fmt.Println("Using Tor at", proxy)
http.DefaultClient.Transport = &http.Transport{Dial: dials5}
} else {
fmt.Println("WARNING: not using Tor (setup TOR variable, if you want)")
}
if len(os.Args) < 2 {
print_help()
return
}
var addrs []*btc.BtcAddr
if len(os.Args) == 2 {
fi, er := os.Stat(os.Args[1])
if er == nil && fi.Size() > 10 && !fi.IsDir() {
wal := wallet.NewWallet(os.Args[1])
if wal != nil {
fmt.Println("Found", len(wal.Addrs), "address(es) in", wal.FileName)
addrs = wal.Addrs
}
}
}
if len(addrs) == 0 {
for i := 1; i < len(os.Args); i++ {
a, e := btc.NewAddrFromString(os.Args[i])
if e != nil {
println(os.Args[i], ": ", e.Error())
return
} else {
addrs = append(addrs, a)
}
}
}
if len(addrs) == 0 {
print_help()
return
}
url := "http://blockchain.info/unspent?active="
for i := range addrs {
if i > 0 {
url += "|"
}
url += addrs[i].String()
}
var sum, outcnt uint64
r, er := http.Get(url)
//println(url)
if er == nil && r.StatusCode == 200 {
defer r.Body.Close()
c, _ := ioutil.ReadAll(r.Body)
var r restype
er = json.Unmarshal(c[:], &r)
if er == nil {
os.RemoveAll("balance/")
os.Mkdir("balance/", 0700)
unsp, _ := os.Create("balance/unspent.txt")
for i := 0; i < len(r.Unspent_outputs); i++ {
pkscr, _ := hex.DecodeString(r.Unspent_outputs[i].Script)
b58adr := "???"
if pkscr != nil {
ba := btc.NewAddrFromPkScript(pkscr, false)
if ba != nil {
b58adr = ba.String()
}
}
txidlsb, _ := hex.DecodeString(r.Unspent_outputs[i].Tx_hash)
if txidlsb != nil {
txid := btc.NewUint256(txidlsb)
rawtx := utils.GetTxFromWeb(txid)
if rawtx != nil {
ioutil.WriteFile("balance/"+txid.String()+".tx", rawtx, 0666)
fmt.Fprintf(unsp, "%s-%03d # %.8f @ %s, %d confs\n",
txid.String(), r.Unspent_outputs[i].Tx_output_n,
float64(r.Unspent_outputs[i].Value)/1e8,
b58adr, r.Unspent_outputs[i].Confirmations)
sum += r.Unspent_outputs[i].Value
outcnt++
} else {
fmt.Printf(" - cannot fetch %s-%03d\n", txid.String(), r.Unspent_outputs[i].Tx_output_n)
}
}
}
unsp.Close()
if outcnt > 0 {
fmt.Printf("Total %.8f BTC in %d unspent outputs.\n", float64(sum)/1e8, outcnt)
fmt.Println("The data has been stored in 'balance' folder.")
fmt.Println("Use it with the wallet app to spend any of it.")
} else {
fmt.Println("The fateched balance is empty.")
}
} else {
fmt.Println("Unspent json.Unmarshal", er.Error())
}
} else {
if er != nil {
fmt.Println("Unspent ", er.Error())
} else {
fmt.Println("Unspent HTTP StatusCode", r.StatusCode)
}
}
}
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())
}
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
var c, spen_exp []byte
var rec, out *chain.QdbTxOut
var h160 [20]byte
common.BlockChain.Unspent.BrowseUTXO(true, 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)
}
}
})
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 main() {
fmt.Println("Gocoin BalIO version", lib.Version)
if len(os.Args) < 2 {
print_help()
return
}
proxy = os.Getenv("TOR")
if proxy != "" {
fmt.Println("Using Tor at", proxy)
http.DefaultClient.Transport = &http.Transport{Dial: dials5}
} else {
fmt.Println("WARNING: not using Tor (setup TOR variable, if you want)")
}
var addrs []*btc.BtcAddr
var argz []string
for i := 1; i < len(os.Args); i++ {
if os.Args[i] == "-ltc" {
ltc = true
} else if os.Args[i] == "-t" {
tbtc = true
} else {
argz = append(argz, os.Args[i])
}
}
if len(argz) == 1 {
fi, er := os.Stat(argz[0])
if er == nil && fi.Size() > 10 && !fi.IsDir() {
addrs = load_wallet(argz[0])
if addrs != nil {
fmt.Println("Found", len(addrs), "address(es) in", argz[0])
}
}
}
if len(addrs) == 0 {
for i := range argz {
a, e := btc.NewAddrFromString(argz[i])
if e != nil {
println(argz[i], ": ", e.Error())
return
} else {
addrs = append(addrs, a)
}
}
}
if len(addrs) == 0 {
print_help()
return
}
for i := range addrs {
switch addrs[i].Version {
case 48:
ltc = true
case 111:
tbtc = true
}
}
if tbtc && ltc {
println("Litecoin's testnet is not suppported")
return
}
url := base_url() + "address/unspent/"
for i := range addrs {
if i > 0 {
url += ","
}
url += addrs[i].String()
}
if len(addrs) == 0 {
println("No addresses to fetch balance for")
return
}
var sum, outcnt uint64
os.RemoveAll("balance/")
os.Mkdir("balance/", 0700)
unsp, _ := os.Create("balance/unspent.txt")
for off := 0; off < len(addrs); off += MAX_UNSPENT_AT_ONCE {
var r []prvout
if off+MAX_UNSPENT_AT_ONCE < len(addrs) {
r = get_unspent(addrs[off : off+MAX_UNSPENT_AT_ONCE])
} else {
r = get_unspent(addrs[off:])
}
if r == nil {
return
}
for i := range r {
for j := range r[i].Unspent {
txraw := get_raw_tx(r[i].Unspent[j].Tx)
if len(txraw) > 0 {
ioutil.WriteFile("balance/"+r[i].Unspent[j].Tx+".tx", txraw, 0666)
} else {
println("ERROR: cannot fetch raw tx data for", r[i].Unspent[j].Tx)
os.Exit(1)
}
val, _ := btc.StringToSatoshis(r[i].Unspent[j].Amount)
sum += val
outcnt++
fmt.Fprintf(unsp, "%s-%03d # %s @ %s, %d confs", r[i].Unspent[j].Tx,
r[i].Unspent[j].N, r[i].Unspent[j].Amount, r[i].Address, r[i].Unspent[j].Confirmations)
fmt.Fprintln(unsp)
}
}
}
unsp.Close()
if outcnt > 0 {
fmt.Printf("Total %.8f %s in %d unspent outputs.\n", float64(sum)/1e8, curr_unit(), outcnt)
fmt.Println("The data has been stored in 'balance' folder.")
fmt.Println("Use it with the wallet app to spend any of it.")
} else {
fmt.Println("The fateched balance is empty.")
}
}
func LoadWalfile(fn string, included int) (addrs []*btc.BtcAddr) {
waldir, walname := filepath.Split(fn)
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')
space_first := len(l) > 0 && l[0] == ' '
l = strings.Trim(l, " \t\r\n")
linenr++
if len(l) > 0 {
if l[0] == '@' {
if included > 3 {
println(fmt.Sprint(fn, ":", linenr), "Too many nested wallets")
} else {
ifn := strings.Trim(l[1:], " \n\t\t")
addrs = append(addrs, LoadWalfile(waldir+ifn, included+1)...)
}
} else {
var s string
if l[0] != '#' {
s = l
} else if !PrecachingComplete && len(l) > 10 && l[1] == '1' {
s = l[1:] // While pre-caching addresses, include ones that are commented out
}
if s != "" {
ls := strings.SplitN(s, " ", 2)
if len(ls) > 0 {
a, e := btc.NewAddrFromString(ls[0])
if e != nil {
println(fmt.Sprint(fn, ":", linenr), e.Error())
} else {
a.Extra.Wallet = walname
if len(ls) > 1 {
a.Extra.Label = ls[1]
}
a.Extra.Virgin = space_first
addrs = append(addrs, a)
}
}
}
}
}
if e != nil {
break
}
}
// remove duplicated addresses
for i := 0; i < len(addrs)-1; i++ {
for j := i + 1; j < len(addrs); {
if addrs[i].Hash160 == addrs[j].Hash160 {
if addrs[i].StealthAddr != nil && !bytes.Equal(addrs[i].Prefix, addrs[j].Prefix) {
fmt.Println("WARNING: duplicate stealth addresses with different prefixes. Merging them into one with null-prefix")
fmt.Println(" -", addrs[i].PrefixLen(), addrs[i].String())
fmt.Println(" -", addrs[j].PrefixLen(), addrs[j].String())
addrs[i].Prefix = []byte{0}
addrs[i].Enc58str = addrs[i].StealthAddr.String()
fmt.Println(" +", addrs[i].PrefixLen(), addrs[i].String())
}
if addrs[i].Extra.Wallet == AddrBookFileName {
// Overwrite wallet name if is was ADDRESS (book)
addrs[i].Extra.Wallet = addrs[j].Extra.Wallet
}
addrs[i].Extra.Label += "*" + addrs[j].Extra.Label
addrs = append(addrs[:j], addrs[j+1:]...)
} else {
j++
}
}
}
return
}
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 {
if *verb {
fmt.Println("Enter the message:")
}
msg, _ = ioutil.ReadAll(os.Stdin)
}
if *unix {
if *verb {
fmt.Println("Enforcing Unix text format")
}
msg = bytes.Replace(msg, []byte{'\r'}, nil, -1)
}
hash := make([]byte, 32)
if *litecoin {
ltc.HashFromMessage(msg, hash)
} else {
btc.HashFromMessage(msg, hash)
}
compressed := false
if nv >= 31 {
if *verb {
fmt.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())
if bytes.IndexByte(msg, '\r') != -1 {
fmt.Println("You have CR chars in the message. Try to verify with -u switch.")
}
os.Exit(1)
} else {
fmt.Println("Signature OK")
}
} else {
println("BAD signature")
os.Exit(1)
}
} else {
println("BAD, BAD, BAD signature")
os.Exit(1)
}
}
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
}
}
}
if pay_cmd == "" {
err = "No inputs selected"
goto error
}
am, er := btc.StringToSatoshis(r.Form["txfee"][0])
if er != nil {
err = "Incorrect fee value: " + r.Form["txfee"][0]
goto error
}
pay_cmd += " -fee " + r.Form["txfee"][0]
spentsofar += am
if len(r.Form["change"][0]) > 1 {
addr, er := btc.NewAddrFromString(r.Form["change"][0])
if er != nil {
err = "Incorrect change address: " + r.Form["change"][0]
goto error
}
change_addr = addr
}
pay_cmd += " -change " + change_addr.String()
if totalinput > spentsofar {
// Add change output
outs, er := btc.NewSpendOutputs(change_addr, totalinput-spentsofar, common.CFG.Testnet)
if er != nil {
err = er.Error()
goto error
}
tx.TxOut = append(tx.TxOut, outs...)
}
buf := new(bytes.Buffer)
zi := zip.NewWriter(buf)
was_tx := make(map[[32]byte]bool, len(thisbal))
for i := range thisbal {
if was_tx[thisbal[i].TxPrevOut.Hash] {
continue
}
was_tx[thisbal[i].TxPrevOut.Hash] = true
txid := btc.NewUint256(thisbal[i].TxPrevOut.Hash[:])
fz, _ := zi.Create("balance/" + txid.String() + ".tx")
wallet.GetRawTransaction(thisbal[i].MinedAt, txid, fz)
}
fz, _ := zi.Create("balance/unspent.txt")
for i := range thisbal {
fmt.Fprintln(fz, thisbal[i].UnspentTextLine())
}
if len(addrs_to_msign) > 0 {
// Multisig (or mixed) transaction ...
for i := range multisig_input {
if multisig_input[i] == nil {
continue
}
d, er := hex.DecodeString(multisig_input[i].RedeemScript)
if er != nil {
println("ERROR parsing hex RedeemScript:", er.Error())
continue
}
ms, er := btc.NewMultiSigFromP2SH(d)
if er != nil {
println("ERROR parsing bin RedeemScript:", er.Error())
continue
}
tx.TxIn[i].ScriptSig = ms.Bytes()
}
fz, _ = zi.Create("multi_" + common.CFG.PayCommandName)
fmt.Fprintln(fz, "wallet -raw tx2sign.txt")
for k, _ := range addrs_to_msign {
fmt.Fprintln(fz, "wallet -msign", k, "-raw ...")
}
} else {
if pay_cmd != "" {
fz, _ = zi.Create(common.CFG.PayCommandName)
fz.Write([]byte(pay_cmd))
}
}
// Non-multisig transaction ...
fz, _ = zi.Create("tx2sign.txt")
fz.Write([]byte(hex.EncodeToString(tx.Serialize())))
zi.Close()
w.Header()["Content-Type"] = []string{"application/zip"}
w.Write(buf.Bytes())
return
} else {
err = "Bad request"
}
error:
s := load_template("send_error.html")
write_html_head(w, r)
s = strings.Replace(s, "<!--ERROR_MSG-->", err, 1)
w.Write([]byte(s))
write_html_tail(w)
}